{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x8af2c2346f40f0b3f6a00ad43b69d29968d662c23226330c3fef0201bde3ab2f",
    "signature": "0xb45c2c3a44f666f225341068a088bdc6bc3bbcc5ead2a648f563b30f3c4a2ddb06a5c38dfd46cdd560e04b9a263275f135955bbc0023fc0619c596008452ba691b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}