{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1930801",
    "entityType": "User",
    "nonce": "0x01e74829cfb08958f691fc30083c4779513821d896e2fd254d4ac8a5d68a05c6",
    "signature": "0x39afc746341db40b1ec9abf019e83916d8fc5610f11dc62ba185c4628846a58320fa13bf64d2b1b16d397de843c1f5506dfbbf1fb4398153c730cc58ee59ef2c1b",
    "signer": "0xfeBBAF2B7d9F5bE3DAA34bEe70259f61ac4aB836",
    "userId": "139146722"
  }
}