{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1309054",
    "entityType": "User",
    "nonce": "0xb29b3675dc0542601fde029c58717c3c210e7b171e8924d938723be872a6b070",
    "signature": "0x4aa1380125f487efc8df4564f398ac70108eb821880d2bf449b8e1363cc94f95367707288da0d016525d2c237cb91b26406757e7b93f123eee45b3bf778c077e1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}