{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0xfd2037f93e952f2112659d66ed442166e8e377486b641930fce7f075d1ba6279",
    "signature": "0x95583a8dcb48fd65b1576ef36e5401c6c0dbe2160f0bd2c633a09476c7ca08687f56ca6097d381cba602a9b63f7f1b23bfbe5e8d298137b6378940bde34bf6be1c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}