{
  "manageEntity": {
    "action": "Create",
    "entityId": "684056862",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":684056862,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Jazz\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Other\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Music Evolution\",\"duration\":151,\"audio_upload_id\":\"01KPQ7B357NH476NDY4SBRAC4D\",\"track_cid\":\"baeaaaiqsec4fo2nprjr5kyt4tzuah2mx5yh4xh2th47bbhskrm2e5mrkoxtqg\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaqpkrtkksmn4qainl2hvv3owvsp72q47be44gswvozkv7tytn2qo\",\"orig_filename\":\"Music Evolution.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":97,\"is_custom_bpm\":false,\"musical_key\":\"A minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":831117417,\"track_segments\":[],\"cover_art_sizes\":\"01KPQ7AZMGS7D3XYF8TAN4QFC4\",\"audio_analysis_error_count\":0}}",
    "nonce": "0xc03f91ae08c1c4761af8427fa4de0aeb33925372deaa748ebd2f6f56f9ba4582",
    "signature": "0x3b9e0eba7c33c0c40102ec8c9bb1e12e5a095210688c60dac71a7e134b36e02c74ec52e10af9eef370ee49c974375a25bf95c3637ad7284918975d91e1cf14181b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}