{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102629",
    "entityType": "User",
    "nonce": "0x737bc3f2ba1224bca74e55766f447bb7eca761c2b85253f2f9eebd7b75d69e62",
    "signature": "0xdcc518ec7f09f1308b41e66b0049e177d8671677d6c53f0c331971b3d897cfd849b8e4861b022059a9d342650050d02ab03b325624193255590c338c512277501b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}