{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5435405f01c2a159340d833eae7957366f29766ea56d0216c3412f3af04ab8c3",
    "signature": "0x278c4c0459ce9a9ae456683aa9678c38d9ea8a7a179ca03455e28b4b80d1f4ca08cf7eaabb9485b605ec9e984b177a1e4146a3d61e9aef7e811559a9526817ea1b",
    "signer": "0x63B5aB5931d5b70DB6CEcE08E6298CC38898d01C",
    "userId": "433140359"
  }
}