{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "19702",
    "entityType": "User",
    "nonce": "0x3d0ec55e6023d8deebd8253e3a04d4802943182931abe8c4cc6104df401e961b",
    "signature": "0xe0959611a8f32b7ff4bfe5e94cb8089420a0ff205d23adcf810d2b942545da466ba9e0323e1530d5cc5c9f768e07ec195c3a7ff16391b2a90fe8162f9d4347561c",
    "signer": "0x7c2f6C8E39514CA33Af557b55Ae76A43850B28f5",
    "userId": "317425703"
  }
}