{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xed12a8417c6bed99757379eeb4c03cb78952f8ad56359984d8f6c6f8dd400c50",
    "signature": "0x8fd1951b342fe16c8a7f6a8ce970b53ebe9d08671d41c98c3e98d53c59c6e7b20b82f93be0e5f81f9dd2cd98b01a141fbf2be579cfd50c3c9e91d480e544663a1c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}