{
  "manageEntity": {
    "action": "Create",
    "entityId": "190951882",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":190951882,\"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\":\"Signal Fire\",\"duration\":185,\"audio_upload_id\":\"7f41a5ee871b278e6da9bc31a6d1080d\",\"track_cid\":\"baeaaaiqsecu2mogsev2a6xkz66skayazopobpoo3d3yz4kgpcsr37lhjskruk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedgadhixmf7yrlenpkjras2vy6bc5tpvpeaarnhnfp6qck5d6aqxu\",\"orig_filename\":\"d50f1e62-7fe0-4553-8c40-3a95de6c592f.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":117,\"is_custom_bpm\":false,\"musical_key\":\"G flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":266430962,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedqz2a2m3qvs2b5ymtwf264hjilqqyhykoglcu23kvbil3d2zqgtm\"}}",
    "nonce": "0xccb7e6bfa1155ad74afe0514eeb0a97b5085962a3618509f8a3075a96e9acc59",
    "signature": "0x71b982d902fe7bdaf01393261c57961ccfec055454693321874294b248569c575c6f5dadaaab8f09704a1923a46d6c5dc6eb0a5d9060b04fa60a07b8629fb5da1c",
    "signer": "0x01f9B33Bc89e93317F0DCb659e270ab0E751d541",
    "userId": "266430962"
  }
}