{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x23dd521c6dca6e55209f4886038f50fd8d2da4820ffa1a7d70225236d361658c",
    "signature": "0x1e8f3872fb79c86fcf95cc11d87981667430cf3c0806cb6ce3f67828a109ffa8215a04893d82a78dbc4a7ef140435e55acf615b5adf7daa7c635400d0ba4d84e1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}