{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xbaba3d902cd0ebd5e23e01dc78a58d89650514946f7a58a8450d460334665de0",
    "signature": "0xa3f6ab537761ccc3bcd28f3a0b174f4b5cce87c54b3ae29aa86bddf1f64736f462568a3f4c121851abb3860d2ddc7d0ae79a48ca3cbe9b5367c80b81f9e320161b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}