{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1994482",
    "entityType": "User",
    "nonce": "0xa9b94b12c1dd4c8478d7685e3d7be4f3566b50e80f1f368ff341a727e08be17b",
    "signature": "0x469791c5d7aeeed51bf52e84732144c196b92a5571b7f1f7f9fbed49bf625cb951ffe5d0c9fff0ea51cb338d31fe9fddc78b6aa073d3d0e11026bdadcf5cd1511b",
    "signer": "0x942718Ab5Bbd4d3d72d5017F886E3ac4Ef2b927e",
    "userId": "362766655"
  }
}