{
  "manageEntity": {
    "action": "Create",
    "entityId": "1570404345",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"title\":\"Ordonez - Pa Los Muertos (Original Mix) MASTER.wav\",\"is_stream_gated\":false,\"is_unlisted\":false,\"field_visibility\":{\"genre\":true,\"mood\":true,\"tags\":true,\"share\":true,\"play_count\":true},\"is_downloadable\":true,\"stem_of\":{\"category\":\"OTHER\",\"parent_track_id\":264604124},\"owner_id\":64159186,\"track_cid\":\"baeaaaiqsebnh2waedqw5v26vvef3qes75mikehrhhicwvemctntjh35bqm3iq\",\"orig_file_cid\":\"baeaaaiqsec5wxpotv74gzqe3ugyit2ro3ml6v7q7h3z6ykggfepei2tbqota4\",\"orig_filename\":\"Ordonez - Pa Los Muertos (Original Mix) MASTER.wav\",\"audio_upload_id\":\"f00c81b04ab54452e117f7f0f8e77ea6\",\"duration\":348,\"bpm\":128,\"musical_key\":\"F minor\",\"audio_analysis_error_count\":0}}",
    "nonce": "0xa804f9bcf229b5d226de133ba5a43453c53288086e86283425b50c57a28bf7ad",
    "signature": "0x536721d234f19c2da093e657e0536dc660603b5dca900746597ac080759ad000220100785f68c638676250e3d339900858dbc49129a4015797e6c236bfca783c1c",
    "signer": "0x70d7dd29B1935Adb17610a033032050Ab5711D5E",
    "userId": "64159186"
  }
}