{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb9adb363600737d5c142871ba8a0469d57baaf41e1b617bd9741852586912ed8",
    "signature": "0x02b44b433ae01f3880ac6df429e8df4ba5d4c6132ab1f40987284e0e9c4316d7268adcc993d3792d38abf84cda9f0cd28b0ef952ab68f73fd8df0157cac920de1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}