{
  "manageEntity": {
    "action": "Create",
    "entityId": "1844834802",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1844834802,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Folk\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"mood\":\"Easygoing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Better Day\",\"duration\":199,\"audio_upload_id\":\"fb68097990cea75627daab4fda956c53\",\"track_cid\":\"baeaaaiqsebrculgmtc3apijepiba4lcvqd7kplqoc7flzirryaocte22c4vey\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaakmshlkvhilise6echbajzjzcfmvh6xwrszqxi7z2tnfvm45w72\",\"orig_filename\":\"Better Day v.1.wav\",\"is_downloadable\":true,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":146,\"is_custom_bpm\":false,\"musical_key\":\"D major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":501175081,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed3tdcaglrz3jb6nz7qciqsbnisbohstgm36ygyzd6iucqutafbxm\"}}",
    "nonce": "0xabd899cd926738de7d4ce1938daad65dc6e830365c72ebfed77ad74ecfa5c9a1",
    "signature": "0x834e96aac431424463ee6455d44f7e980c3745f1c348c3e71e8f22548302c3f7611ac36a057a2aa98f3de9d034a74c60a6be109263f2de9748930e1879c9374f1b",
    "signer": "0xc146b176C58c693F99918E7b6992bA919aEE4ba3",
    "userId": "501175081"
  }
}