{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124060",
    "entityType": "User",
    "nonce": "0x4d857bb2f7395e8e9531e29cf4aaacc95a47e3142e0deedba0cac1a8a54aace9",
    "signature": "0x515015771207330a1aa22a3d9c222b2368e7536da245be4ef77ff8855fe3a1f1192b2477a80599d20279732ce454d885659323060e6baf5518af5be2ac59722f1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}