{
  "manageEntity": {
    "action": "Update",
    "entityId": "804868697",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieram6z6s3potfcparanxlorerto3rkbo2gj4otzxyzvrnjpsbp2tifq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2077894741},{\"type\":\"playlist\",\"playlist_id\":334629625},{\"type\":\"playlist\",\"playlist_id\":1799985612}]}}}",
    "nonce": "0x160ae7c32635244d0fe88e8ac8c003f5087c0accf96e79a7897818f8655d555a",
    "signature": "0xfb4ddd7def78e4fc267bfbc3bcbe4724c8ec57717a391838efada4f287c651121ff4eccb906753652f1ec709fcbf973adcd611bfab468e9f8324ea31f92712781b",
    "signer": "0xB333b4372f42011B3e426635c2e5b76E2a4E52A8",
    "userId": "804868697"
  }
}