[[outputs.prometheus_client]] convert my metric data incorrect

API request response

"mem_free": 14691360768,

http// /metric endpoint result

 HELP idac_mem_free Telegraf collected metric
# TYPE idac_mem_free untyped
idac_mem_freeactivity_statusonlinehostxxx3hostnamechasvlxxx.domain.netid32af28d7siteCHAurlhttps://app/v1/processes 1.468827648e+10

Value (format) 1.468827648e+10 have been changed for some reasons I don’t know why??
Anyone how have any explanation and best of all solution?

# Read formatted metrics from one or more HTTP endpoints
[[inputs.http]]
  ## One or more URLs from which to read formatted metrics.
  urls = [
    "https://app/v1/processes"
  ]

  ## HTTP method
  method = "GET"

  ## Optional HTTP headers
  headers = {"Authorization" = "Basic ZDJjYTI4ZWEtYzA1Mi00MGE2LTlmYjMtZTE1NWNjYmxxx2Y1ZjU5LWM2ZWYtNGMxOC1iMjQ1LTdhMxxxhNDcyZQ=="}

  ## HTTP entity-body to send with POST/PUT requests.
  # body = ""

  ## HTTP Content-Encoding for write request body, can be set to "gzip" to
  ## compress body or "identity" to apply no encoding.
  # content_encoding = "identity"

  ## Optional Bearer token settings to use for the API calls.
  ## Use either the token itself or the token file if you need a token.
  # token = "eyJhbGc...Qssw5c"
  # token_file = "/path/to/file"

  ## Optional HTTP Basic Auth Credentials
  # username = "username"
  # password = "pa$$word"

  ## OAuth2 Client Credentials. The options 'client_id', 'client_secret', and 'token_url' are required to use OAuth2.
  # client_id = "clientid"
  # client_secret = "secret"
  # token_url = "https://indentityprovider/oauth2/v1/token"
  # scopes = ["urn:opc:idm:__myscopes__"]

  ## HTTP Proxy support
  # use_system_proxy = false
  # http_proxy_url = ""

  ## Optional TLS Config
  ## Set to true/false to enforce TLS being enabled/disabled. If not set,
  ## enable TLS only if any of the other options are specified.
  # tls_enable =
  ## Trusted root certificates for server
  # tls_ca = "/path/to/cafile"
  ## Used for TLS client certificate authentication
  # tls_cert = "/path/to/certfile"
  ## Used for TLS client certificate authentication
  # tls_key = "/path/to/keyfile"
  ## Password for the key file if it is encrypted
  # tls_key_pwd = ""
  ## Send the specified TLS server name via SNI
  # tls_server_name = "kubernetes.example.com"
  ## Minimal TLS version to accept by the client
  # tls_min_version = "TLS12"
  ## List of ciphers to accept, by default all secure ciphers will be accepted
  ## See https://pkg.go.dev/crypto/tls#pkg-constants for supported values.
  ## Use "all", "secure" and "insecure" to add all support ciphers, secure
  ## suites or insecure suites respectively.
  # tls_cipher_suites = ["secure"]
  ## Renegotiation method, "never", "once" or "freely"
  # tls_renegotiation_method = "never"
  ## Use TLS but skip chain & host verification
  # insecure_skip_verify = false

  ## Optional Cookie authentication
  # cookie_auth_url = "https://localhost/authMe"
  # cookie_auth_method = "POST"
  # cookie_auth_username = "username"
  # cookie_auth_password = "pa$$word"
  # cookie_auth_headers = { Content-Type = "application/json", X-MY-HEADER = "hello" }
  # cookie_auth_body = '{"username": "user", "password": "pa$$word", "authenticate": "me"}'
  ## cookie_auth_renewal not set or set to "0" will auth once and never renew the cookie
  # cookie_auth_renewal = "5m"

  ## Amount of time allowed to complete the HTTP request
  # timeout = "5s"

  ## List of success status codes
  # success_status_codes = [200]

  ## Data format to consume.
  ## Each data format has its own unique set of configuration options, read
  ## more about them here:
  ## https://github.com/influxdata/telegraf/blob/master/docs/DATA_FORMATS_INPUT.md
  data_format = "json_v2"

  [[inputs.http.json_v2]]
    measurement_name = "memory_usage"

    [[inputs.http.json_v2.object]]
      path = ""
      included_keys = ["mem_used"]

      [[inputs.http.json_v2.object.fields]]
        key = "mem_used"
        type = "int"

#[[inputs.http.json_v2]]
  #  measurement_name = "memory_usage"
  #
  #  [[inputs.http.json_v2.object]]
  #    path = ""
  #    included_keys = ["mem_used"]
  #
  #    [[inputs.http.json_v2.object.fields]]
  #      key = "mem_used"
  #      type = "int"

  ## Array of glob pattern strings or booleans keys that should be added as string fields.
  # json_string_fields = []

  ## Tag keys is an array of keys that should be added as tags.  Matching keys
  ## are no longer saved as fields. Supports wildcard glob matching.
  tag_keys = ["hostname","id","site","activity_status"]

  ## Name key is the key to use as the measurement name.
  json_name_key = "executable"

  ## When strict is true and a JSON array is being parsed, all objects within the
  ## array must be valid
  json_strict = true

#
# # Configuration for the Prometheus client to spawn
 [[outputs.prometheus_client]]
#   ## Address to listen on.
#   ##   ex:
#   ##     listen = ":9273"
#   ##     listen = "vsock://:9273"
   listen = ":9275"

#
#   ## Maximum duration before timing out read of the request
#   # read_timeout = "10s"
#   ## Maximum duration before timing out write of the response
#   # write_timeout = "10s"
#
#   ## Metric version controls the mapping from Prometheus metrics into Telegraf metrics.
#   ## See "Metric Format Configuration" in plugins/inputs/prometheus/README.md for details.
#   ## Valid options: 1, 2
   metric_version = 2

#
#   ## Use HTTP Basic Authentication.
   basic_username = "Foo"
   basic_password = "Bar"
#
#   ## If set, the IP Ranges which are allowed to access metrics.
#   ##   ex: ip_range = ["192.168.0.0/24", "192.168.1.0/30"]
#   # ip_range = []
#
#   ## Path to publish the metrics on.
   path = "/metrics"
#
#   ## Expiration interval for each metric. 0 == no expiration
#   # expiration_interval = "60s"
#
#   ## Collectors to enable, valid entries are "gocollector" and "process".
#   ## If unset, both are enabled.
   collectors_exclude = ["gocollector", "process"]
#
#   ## Send string metrics as Prometheus labels.
#   ## Unless set to false all string metrics will be sent as labels.
   string_as_label = true