{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335653",
    "entityType": "User",
    "nonce": "0xe74b7fe150b32c0dc898e6d664ee541b6161f1400ea2abff81c490f2ae7d4a0e",
    "signature": "0x43aa7344c93c49273995052b25be7ce64fd01c9a16b80c59863257b9e46c5f961d552f61da616124d5976caa448746f9d7b9ff99d16b5be26de47aba398f2a531b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}