{
  "manageEntity": {
    "action": "Create",
    "entityId": "912933964",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":912933964,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"House\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"The Bausa - Magnetic (Samm Remix Extended) [Columbia_B1 Recordings]\",\"duration\":357,\"audio_upload_id\":\"1936370f27fb911b4072d8c0bb5c5cd9\",\"track_cid\":\"baeaaaiqsecbdnukv73d6g7dujek3r6qwxbp4spzwqmjmnzfveqem4nf7g5iqs\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsealtglwfipgpcyearq5lmhrafjsynqzccqjlcmvqf77ucj4tbz3hq\",\"orig_filename\":\"The Bausa - Magnetic (Samm Remix Extended) [Columbia_B1 Recordings].aiff\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":125,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":654530894,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebezu3zuc3fv2ifgpxwmmxqs4qkumnnjrwebaicvjfxriskjg2i66\"}}",
    "nonce": "0xa9af922b819f5d154068d2f4937304f384fbeb7f4d5d50d7e6eeea43457a21a1",
    "signature": "0x213068df5e0560fc74dd616487bcc0058f6b6be9bb49d46a921e6eb6a3f73024366a55338ba4ef2baeef47508f6a88ef463cdbcd737662849626200075433c2d1b",
    "signer": "0xf9Bf82B2ecB609ee37250F00C0835d529331385D",
    "userId": "654530894"
  }
}