{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x58713342e7b534037b1ee55e9f26c152a4df88e39d29839b8df68f75d5870930",
    "signature": "0x6d09f14f670662e011a434a87eb28bab2b8b4a6b02a02cedb9d90ffd024371ad6aea1588ab958a8c7d9c8102e6582ca79d4a9c1457d585e4cf985e3cee10c2ab1c",
    "signer": "0x55Ce1d9da361CDBCB1EE0bAe0ACf5c5B56A55C0D",
    "userId": "533437320"
  }
}