{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xcf0f42d1a138037dc193824a3c6ddddf6bf05ddb08ac192361ec82c3986ff8df",
    "signature": "0x6dbfd316bc4f12bb42c4470278ddd9dca3e82a50a32c71a1da6ea7b717f3fa7b44dfa14fabfa693b616cefcddf6bd3a557059f1dce33bc4959953cab5bb1b19a1c",
    "signer": "0xB62549ad787761DF2C662a270934b570704A7F53",
    "userId": "492987452"
  }
}