{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x749a80d748e0e431ffdf2b44867b446b30c60319c512d5d8b931aa009567912f",
    "signature": "0x632a3a5aeab8cb48d6d11f66deafe38914e3655fe2086e4e56d0cbe8fe97b435259b1147da6d7b2966c2c2c5d56eb2e4c793353ebd03776de242a0e1df7c9ac11b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}