{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9c31a972387564e25abfb39b61c43d84ad963227b7916da4948c5130f4c84907",
    "signature": "0x04e166db124e85f5a4d5f56f3a4012328e518b65bc1cdf8e566749198205dcf13ba50988fa0c0405590b2ffe1619c4ffc80b5008b334050d5e79fbecebc5cc5f1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}