{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2e236d7866ae7f10ec2f6a707bd15febe74226906c84281a95e35d6bca18b711",
    "signature": "0xee9f9cc659a304d71cb5a4a6284c8d8248ef7afbc3716188b7dbcdc5e538ef3032f96b21bf9ffb3c21e8ec3280b8d82d28e72da1d1bc51e39075335129fddcbc1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}