{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241009",
    "entityType": "User",
    "nonce": "0xbcf785c76ba1a2ec8076a63fe5223aa9636b90e415c3b20ae5a69009d36871c9",
    "signature": "0xaa3ce7659b692e7d2432e48519a13ca6f6776f415abc29f8dc932e254eaa98ad74bb492771dd306653b200d377ab9cccd14a6fe6379449457e517b5c11fb959f1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}