{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5274142bf336573e72b41ee1ecbfbc8f0483faf5b72fcef4c84e5f5ad89d8143",
    "signature": "0x5b57d66de0d083d95e41a7d3394aade64e24bd391eb7a4139ac7aa0df8f328b2025f3bf3e06199eb766b39f8ffbc872d1c078eccb39b2e0cb5b73cb61da26d761b",
    "signer": "0x4Bf2b7Bb40dCa2050F09c1299FB9367c6Bda576c",
    "userId": "822766281"
  }
}