{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x94d89c77728b0d5f20053564f1614f12dc25c9e76e0aa0605b443ca64d314776",
    "signature": "0xdecd82af676298b2ecd4af3d5b0156336aa1ec51e7f358206a56d96036efc0e13c0da45b31baf9c519ffd4e5fd12e69b52c7ee5fc9a6234cbc1ac3e161ff27c01b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}