{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "870640566",
    "entityType": "Notification",
    "nonce": "0x1cb42de4f09aa3b1f558a8c5881ffebd4d3c7bf95ae3791948cece1300c8aea6",
    "signature": "0xa8efdd14c1be8bf45268bd270708f3e0d1b910fbf49487b695ac6c577b914ac977bf8bec2f9484c4b70b058012e905ee92b29c144d40df0376f30ba828718f0f1b",
    "signer": "0x8027C7ef52428f4a1C57Bb6De47d6f56750406dC",
    "userId": "509773150"
  }
}