{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102143",
    "entityType": "User",
    "nonce": "0xcdac8aa5f09d7abbaf4297d5ebc7fb8bd31358df86314e1d9670ea3bcc54b9ae",
    "signature": "0x3f4a3e6a0268e224df4c518c6d605be98ded69767f71eb8784548401b4b31c1e0c638f6e9a8e66ad3a5a11c34aa58130479f039e16216a89357a33e4521930cd1c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}