{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142797",
    "entityType": "User",
    "nonce": "0x4cd7c1563cbefe96b45411f362dac780370605643de879dea9c29fac06fdc798",
    "signature": "0x04b9ef92dcd1e797d8d85d1390cb5d623760a6fb4f8dd9f56f52e7585f6ab5e775ea4689fae8a5cc673577e2b717664e1bf8adb1f82f939d47bc0a1fd28d81a01c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}