{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x76fa00d6e0f8ed9dc8a3ddc255833e837eae6c07c7eeca5c7bc97c89eeacd0a4",
    "signature": "0x20dee1292351974d74fc5438d87e09f4b165bef1ccf10cbea010ca7f83e61bd45855cc8991f7fd52e41c0a40f8a7de8e4df24b51677e21280194b743ea5ce81a1b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}