{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb34213b495514bd064231db081a049801dc111e8ce35e97aec61eed9fc18760b",
    "signature": "0xf985ade31179bcdee758c91d9fa5cfe342e558bc8006d8be6f2b798e49d7abd611bd3a9645390cfc4fe069a8e873e0b55d805c196fa9109696015b12889a9a771c",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}