{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3990c00ec1fda635f0509f9634807721eedcbbce6b70fc66d2dd88a2f446715b",
    "signature": "0xe855579b47315a920c10836ec7c9193d556c5f72f9c36dbb014d390e9e7e082c0ee082b514ede580ac0fd0b50bd228b59ac23c1cfedacd36fe92a10f3700aa471b",
    "signer": "0xAa942fb8d8E7Eb9024f403fC0FF63D378019Fdb5",
    "userId": "8151"
  }
}