{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcc959ce5f413e0d4da54535153d00e167b497985fb79fc8edfafcc03455ce0ca",
    "signature": "0x0eaece810360bf4a6ab6ccc482610ea4d262875aa6bf6e19db1a7bb5291f2a6b67c3c7c2f8f2b2e14aa1680b914914a14f6e38b710ebc6c89001a738401769191b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}