{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xf1c55d10a17758ac64afe873268ac7b82eabd276cb8bf33375c98bcd49844286",
    "signature": "0xe52f78079595a9fb0100c41eddd2e326d1f63a05071127ec757c824e3a6722ed07384eeb2484a94d9edb382e454a87d36aceb96379fec7149f05fbc9779448171c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}