{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111210",
    "entityType": "User",
    "nonce": "0xad37e78135d46c5308b76a065fa573b5ab20cfb94f439636c2875cfa71d07dd5",
    "signature": "0x43aa2c664efe9c148cddcaff5fe3744a9b66ddb94f60d51daa97ea8e0bb7aff0388bcf4c1adb95068071676af0af9bbea1b1a601267ccef491bf7473f13a980d1b",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}