{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55100",
    "entityType": "User",
    "nonce": "0x87b70e41a1c6ef68c760e122a04c8a15ef2309a201fa12d677b2150dd77418c8",
    "signature": "0x88d2a70676e6996e3ebbdb373f35348feb17064e3dbb58608f2abc004da3028035faa59bfc78bef9094a0a6e0d187552f2dc1078b71ea71cc6cddb5d1d4ab8271c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}