{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x151903e28ca9a2ebb608ebb4fcf51b277f971562685f02284c65f1d753ed2a7d",
    "signature": "0x8e4f7b300f2f398ba9b4b54b31710f78f96b7927e043b1dd0225d656d27954202051b809192116728d5bed6b45102d530f62440e50626cc7ff0879176781c78f1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}