{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x48c64e3a3520653187846c9b948915db7026efc82b9caab8a2d62d484e81ab60",
    "signature": "0xd809a90adcab381e5f39a87fed6bfab17bcc5ba32261390d73f2076d0aef89f13f3f2b9537b56557a4590c35a9bdd1a1a9fb2fdc53b1d9c955d3466b08febd2d1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}