{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x515e490a2059fc7e7a1086fef3bbe348c563a1b8a51135b8d54360d6af244efb",
    "signature": "0x6f652a47245bd8496b9d8fc5fd2eb59dc76c0a9775906b5cc5e08b1b73e784065da00486c54a1a9b004d3f4005062407df3f8a545ff8dd59322fb8174b48ca1a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}