{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4abb5be72f932fb2c2a3faa1d864b4a769ed6465b11b56d295ad40ade37a4938",
    "signature": "0x438eecd7d99b316b1bbaa183153a68f21cd8dfcd2d050c62cdcec906ee11e3e912c0026cbd54dee9aa3cfa42b94642a7ae88450308ee4b179ec0ac086a7cb7fa1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}