{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314129",
    "entityType": "User",
    "nonce": "0x436692d29866e3e7ac229f4ea2a2340f53fc881b63c7544f627d60721527e6d2",
    "signature": "0x37ae3399ce20c25f08361e0bb67d8f999eba2a1c8569d6d25123d9205363f79975f2f91247451b8da9ff15e94e3ec7da6a52511a25dae046e759e9d5dbfa239d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}