{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8322d228d94f99e44a1757f05854ac09973854ac6c9a419287a7d7aac52327b4",
    "signature": "0xad36a01f15561437129f57f9ef960204e1dbf84f344b0c7cc1d68b55d9091544177bc8a88126e0ca63b8130c4b9ac2ccf0cf502dc955d690a06e3222aa8f42691c",
    "signer": "0x4d7c9bF258FD714531f4eb82a0C588f9cf6740d4",
    "userId": "607202257"
  }
}