{
  "manageEntity": {
    "action": "Update",
    "entityId": "1589748797",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"rela(p)x 8000\",\"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\":[{\"timestamp\":1777544071,\"track_id\":1556157145}],\"is_stream_gated\":false,\"stream_conditions\":null,\"is_scheduled_release\":false}}",
    "nonce": "0x2a1542f8814fc8930e9621be7c0919c7f7216d3cdf8f114099590e062a6fec8d",
    "signature": "0xe0b8ee7f58381a8bb86f1f2e736348202ab9336ee66b3ac7bc756745b22ecb4153a383014c0ff6312e58088d5de5fee06349c0e291e38ab77a783eb6c55bfa811b",
    "signer": "0x04032370f473D46Aa4C598fc52366c5fB5915f04",
    "userId": "116136"
  }
}