{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x7ab6fbbe03c69d6879fc9347c0dc918a03a7b49cd38509396f0b3d25bd4074c9",
    "signature": "0x3f921f73fddcee5f745896b94f8366e1f6bf5492d39fc35b9cc48d22a08068b67a91bfdcb816429f513ec35a81efe23472a2dff1a25e2b322f3b246747172a971c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}