{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdd97431a8b8ada8563f9b18b792b48c5f23a8a93754a812fdbb1cb6c28d38c8a",
    "signature": "0xcd4a4e61e00358b82238167aa0f6ca842a6b82391653cf91b6df4b1f7f6975b744fa00fe5a68d96a70fe9da9c3b5dc99da321fd4e8811a46927a792e4cde9c281b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}