{
  "manageEntity": {
    "action": "Create",
    "entityId": "248134074",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":248134074,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Folk\",\"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\":\"Pela Manhã\",\"duration\":140,\"audio_upload_id\":\"837ffd4eb2e39928d67d24199707ebd6\",\"track_cid\":\"baeaaaiqsedtbwwr4qsbm453znqn3jseh5vvzhdzd5ayyxwah3ydswybib7nia\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebpybeglconjlpxyj2jssi4fjwr2rzpmv5a3fi34422rbh2oddkxa\",\"orig_filename\":\"Manhã_.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":120,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":517330077,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsednz2httshgm2gf3k4mcfxsxs64ugpicjfsvm6xeikwngyxz5ogr4\"}}",
    "nonce": "0x5a3b28a2a4d7c5e3953b4cd7338bc516cc925a0dcf483e9d0c67251453e1d543",
    "signature": "0xb018ed8d5c1b62c55771936099973b167375dd0112acfb42c1a956355ed14f5729e86eecb3d9600c431c5940571bbe032c3f1326a99ebadf999f02af109c60371c",
    "signer": "0xCcceB09F3A94D5d403Afc7f2Eaae8D241f89E83b",
    "userId": "517330077"
  }
}