{
  "manageEntity": {
    "action": "Create",
    "entityId": "199907376",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":199907376,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Techno\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Cool\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"techno,edm,dance\",\"title\":\"Tom Vibez - Don’t Give In\",\"duration\":222,\"audio_upload_id\":\"fc49718acbd4c6478f6ec39ba37f732e\",\"track_cid\":\"baeaaaiqsedyj6a5pj342t2d3blsqipwsw32qipfxonwk74hh4l5fx7akn3els\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec7gfob6ycilcuupc2st5rktgkah7ujimxdxskt4ozpw5iu32dsly\",\"orig_filename\":\"Tom Vibez - Don’t Give In.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":138,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":555663956,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsec3pmaqs4wnckc56vb4yxtmq7kd4s6dtmbig4boc6ud6jtyunkedi\"}}",
    "nonce": "0x6527e1af5879cdb13620f9db37943c66400455c921c4f6b64b78d250c8808e17",
    "signature": "0x19f76033e841607c35f16c3a9b6055c6488c2584359e5b2a7699e4ab37c6bf4d35348f3c5121c204df4db1b72af64ccf8525098762f914f96ad03357edff02511c",
    "signer": "0xba39E57aa62E649F2b3250E2Cf1456c117127a40",
    "userId": "555663956"
  }
}