{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111210",
    "entityType": "User",
    "nonce": "0xc598ba8f6c6990fb9f2b64a9524effa983fec6f92a289252cd5b712811911012",
    "signature": "0x79fb9f434ec85226a781740d9b9960620c831ab73fb370c517cfba46cce70fc157c61702c85627e645307b67f4de919e9a75d7d7e7a6aa84df597edd7167ad071c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}