Subscription

subscription{DataPointSubscription (dtId:"592c91f0-8d9b-44bf-88da-23fd1ef6d994"){dtId  serialNumber channelNumber value}}

Response

{
  "DataPointSubscription": {
    "dtId": "592c91f0-8d9b-44bf-88da-23fd1ef6d994",
    "serialNumber": "105807A7F02977C",
    "channelNumber": "1",
    "value": "0"
  }
}