{
  "manageEntity": {
    "action": "Create",
    "entityId": "1183530857",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1183530857,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Jazz\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"07. Duddy Fat - 'Oh, Shit (Bullshit Mix)'\",\"duration\":194,\"audio_upload_id\":\"aede47b9c2bde24ea3d79cf8e9783d02\",\"track_cid\":\"baeaaaiqseb3navvzubcvzh43a5afliqgudhlobrsnciq3xco35j5jqnrhu5g2\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedwrvgbys7sanqm6jh2s5ywgkvidvogjaw5fucvp4gyr5fzwbmm32\",\"orig_filename\":\"07. Duddy Fat - 'Oh, Shit (Bullshit Mix)'.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":91,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":784506004,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebvxv5ghf3kej5uh3j3b6yf77pv2blwgh7i46kqunem4ygw2fdwni\"}}",
    "nonce": "0x35153daf2c2514810bf920c911ac63e99ac4019d7cf160d667335d8bbca9b92e",
    "signature": "0xa7db2344ee19eca2e47e4a4e0d5fbd2c420805f8342b149b692efd4612662bc412c2c17c2adb9f1289a784d5f7a20b7c0be5fcb1f885be6b732b110c9fc9128d1c",
    "signer": "0x3B446829846E4Dff44d7a596d5B5E2e7F6f2A2F9",
    "userId": "784506004"
  }
}