{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91846",
    "entityType": "User",
    "nonce": "0x3889ec54ff7e1a52042e9561979d5fc99e9f9ff913c665775b6d593f6c4a0522",
    "signature": "0x30266fbeb51dad0977de4f6d2cf8288db73e32de4b6e7c4612a98fddfb6117f405b2148bfe657eb662b4ca6e395536ee4ff1d9d0abc9f17b3eb439da347214301c",
    "signer": "0xf9Bf82B2ecB609ee37250F00C0835d529331385D",
    "userId": "654530894"
  }
}