{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "868731473",
    "entityType": "Notification",
    "nonce": "0x20b13425508939fc18a52611f024727b48b6b1a9f96cd85e9445534cb8dc82e9",
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    "signer": "0xBe0B2B2beC4B0A46ff11169512DF7f66E775c0B3",
    "userId": "196632465"
  }
}