{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0059d87f4937f69c6b646cdd8464a4d2e7e391e1c87f4da24914cc1ea1c6587e",
    "signature": "0x127be13d5bb1ccb1c911c4750ecf5d20f0a31401bc59a89307a906078d294cea317e9d94362f3d552bc8d201607484e123d8f93e94fbf7eb4b078471957a0f801b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}