{
  "manageEntity": {
    "action": "Create",
    "entityId": "1289507025",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1289507025,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Axle - Where the Echo Dies\",\"duration\":226,\"audio_upload_id\":\"97e6066f4bfd5ef005de0fbfb8b53c14\",\"track_cid\":\"baeaaaiqsec7ayt3twg7a47v4kiqflpm43crfihcd2tkhb6n3mvytp4i4gvdlw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec3xyn4qn3gy2r2nzccqvrpwxmyice7g6niot55m3tpwc5zsqjg72\",\"orig_filename\":\"Where the Echo Dies_HD.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":108,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":350266629,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedovaqkvxdkiejcxrrv55525sklwn6lox6km3lw2zktmo23pghm2e\"}}",
    "nonce": "0x66366a18a417eaf7353ff1d3edb0ba3ddaf5109dc1c666acde04c5abe5801b40",
    "signature": "0xf56a5e799a9863a425039bc2b750cbc8bcee99f479f9209be15fb44ee640eadb0135b8c17469680d04da4e66bc959efcaff8cf81a06685385fe26b581f4def7e1c",
    "signer": "0x3d3C9a78785e201CD119b8f74d7d88D131bB3cb9",
    "userId": "350266629"
  }
}