{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xa05913561b844642493eb441b9038472272dae5494648cae840715046a86b884",
    "signature": "0xaf8ebf7c5073f117eea109c9a593eb08786a504af2de5d9c5212d966aefa1e5a54ea2dbd4462e3fc73e61a21a4174fcafaa4bd1f5a4c82d92e50622ae71f26001b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}