{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3e649db5c1fb6b9888d9eb62d8c6db6204291d09cafbe13ca4f6d4bfbbf20600",
    "signature": "0x834dacdc4e9734a88156a28886c48f30ef9a1324b8462de85eb9940f8b9eb28246b5e40b8407ae27aa3be2e96178bb5e642bc50dcb92bf69ccb8b5eeee221a691c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}