{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111210",
    "entityType": "User",
    "nonce": "0xbebbc0f1c0ac4ec5d2a04db762ddb024990fdfcd8bb634f1e30e55fe4a387b30",
    "signature": "0x422af1e25984614986254e222fa937afe9779891ae39fc23ad51dea43de0036b78fc41be3a67b932b23546d927f19bfb4e0a7c30721f3c8dda32f742e80da3101b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}