{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2d811bc8bedae71e109b276f958692ea564dae8d9a5ef68a22a62f68451b14ac",
    "signature": "0x7aa3ad23d248b87395d1c940631627fa3b8ba8a58469e73260b76a2d812b287834894f6761e0a666b09ec7da8467c111a80cad53b232b85be0e6300e02b77f5b1b",
    "signer": "0x2F55f68a6D874d95E4F8c2A7376Dacff6c7b8518",
    "userId": "546609624"
  }
}