{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x60ca4d915ee3218a93b8a9ad334a8ed87812e64da4fe1deb73b1e25138eff987",
    "signature": "0xdb08b95b372294cbc823b31b755bead8a00a192c4112d955dbfae50cbcc423d62a8fa7f2d472681541c4b4dff46aa68e4ced81c3f8892e7150a54f2c239a61d71b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}