{
  "manageEntity": {
    "action": "Create",
    "entityId": "919646814",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":919646814,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"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\":\"Autumn is Beautiful\",\"duration\":144,\"audio_upload_id\":\"183b4639a93ccea9cc247fc489bac986\",\"track_cid\":\"baeaaaiqsedegpwvyul5dnwhq3bnqw6or2z25xhgh7lghb2ebxuuh72nair7m6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedkk4f6toqzxjuzv6i2bpleuyxn6vh4ndq2un7vpbynh5vrnpywfy\",\"orig_filename\":\"Autumn is Beautiful.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":92,\"is_custom_bpm\":false,\"musical_key\":\"A major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":701658804,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecyy6ryw2jao5rnfdxzz7v4urqnqmhgriasmzgmfk7emtlvgs5oxo\"}}",
    "nonce": "0x1af07881359f4c857832dbbda76dd9055224a6f28220c11e05bd418c932fe8a3",
    "signature": "0xf6c22ac091d3bf6cb5f1211a6d4fb73c36860ed63234ab4d95d77671cc4ede8e62ee9d3018e791e0a5d01cb91d37dfffc17825c8a0eea49119461cbf8a2379621c",
    "signer": "0x68833ff261f5D2053c7f70f344CF3317811fa1A4",
    "userId": "701658804"
  }
}