{
  "manageEntity": {
    "action": "Create",
    "entityId": "316406110",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":316406110,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Untitled (2)\",\"duration\":246,\"audio_upload_id\":\"d5183eb8a850e9c9f1fefa71923d4def\",\"track_cid\":\"baeaaaiqsed32ffkaacu3i7mrcse2oviapj2bay46hbm4k5mxlwo37euvzjcyw\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseakqbb6yk2ty7ap47f4y2xxyuplbmnmp2xp6qc7whdb7zttclsqeo\",\"orig_filename\":\"Untitled (2).mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":153,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":795507130,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedwkajppnckwjanxw5u7vpqr74qriq5zvwwglm7ltvbfqmroa4t3a\"}}",
    "nonce": "0x5b2165dc093295c650b0b5c978026351ea1cfed0a5a7aa26be654e6b440e4e06",
    "signature": "0x7fc444e6331249e9860429a91e31846b73d12c0adefbef4a8980cc7d9f098a2d4777fc1dc4e097927ffd897554fb46994922f57e975a2d42e4ccedd2aacebb771c",
    "signer": "0x937eAe190dAb36A46fCbE7552f28bA3F4CCCb5d3",
    "userId": "795507130"
  }
}