{
  "manageEntity": {
    "action": "Update",
    "entityId": "2085311966",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"x1\",\"is_private\":true,\"license\":\"\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"parental_warning_type\":null,\"playlist_contents\":[],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x9c7090d31fd7df201e44e22cc2200c1a73d3e085ba29ae488e9a303b4a06c057",
    "signature": "0xf366e381ea2defaeb6c7fa74c7a06efa3970c535f79f0445dbf37d1d58479050320703a9b96f6573f92f489a618471aafbac63852d4f73e811d4afba888608201c",
    "signer": "0x88c769B5594fA1e5AEc33e17472E952E788bb0E3",
    "userId": "147939951"
  }
}