{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfdf96ae2d4b5571e1cdc127113c97cfef9a1df518c43af04d6e69174a631a2b3",
    "signature": "0xb722a3b05f49e228d3813ab205d32cd7f68fe67e4e6c7082c9e70e1b5d02d23d4701839d6c8a69f6b57c815b2d82bf65242008c622909697c7bbc82f8a6b67141b",
    "signer": "0x9BD14abF17fBD3E3f97894d46e7D1Daa2447DB54",
    "userId": "287169076"
  }
}