{
  "manageEntity": {
    "action": "Create",
    "entityId": "675923953",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":675923953,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"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\":\"Gems\",\"duration\":154,\"audio_upload_id\":\"403ac4c498076dbd29879b4fdd3e08c5\",\"track_cid\":\"baeaaaiqseao2zryfq56hbd3q3vd67dvqfvztw5miifont7krumrwe2rtajpqe\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebworsyz6qi2shyuxavei6cwhtzaerilim3lj46bhcxkd4z4ztwnw\",\"orig_filename\":\"diamonds.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":149,\"is_custom_bpm\":false,\"musical_key\":\"E major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":300218186,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqseduzufx6umciiqlrnwvwlymwcygni2rfmmiztazau6bhcqrzyxs26\"}}",
    "nonce": "0x451c2ca3ce7d7494015dc7f696e5bf0b7aae80f69465e526345b899ffcf15307",
    "signature": "0x12290dd8c4ec94f634c862eae105ad85980f708f812fb1375fbae182c896b2447536cbbe7ba4cfc7153d3d6ee31ceaa3e44e9ace12b6d4458436d8dd9be4397b1c",
    "signer": "0xd36a9FCD3b08aa71bA2E217934676F2603457207",
    "userId": "300218186"
  }
}