{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xd70932f323bb90e5d158fe265b898f80c5240834736dc12cc1cfad7f2a198c86",
    "signature": "0xaf45c99f67b2d3b81f6324f73be32ada60ca6307b95eb99fbd33464601dc36b077c088e559b1737fad76384f5d2d53b5ee12e40b06bf7fa9c365d2b6ed8b50b11c",
    "signer": "0x0f4722E3c1E60B2c250aA08C4e1394eb778D4B32",
    "userId": "537883387"
  }
}