{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xee4dc7378752b32e13e3dda0eca249215494f1e36bb160df62fd0ca408d529dc",
    "signature": "0x036e8cebb090e9d37e1bae244a73621b510da5e1d809075a4994a68969b069a458ffb324bff62b9353d5bae64c298b3e4ae2e607e91a21cc6a558b51af79b18e1b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}