{
  "manageEntity": {
    "action": "Create",
    "entityId": "1427379438",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1427379438,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Experimental\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Rocky Grave\",\"duration\":165,\"audio_upload_id\":\"e87654ee6a4a8f01673adbee3b070526\",\"track_cid\":\"baeaaaiqsebvgfhdjy2cwsakducqpqozst4mh7yrp3n4ohjeosfuemggewdmms\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedjlmwxnmo53fyuyx3sbq5zpzdlvqqoi3myn4lr5tn22tn7v4jtmm\",\"orig_filename\":\"RockyGrave.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":80,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":311257477,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebcteyn2yxi2bxnmxywtisif76bfnbhsincgoirnwmwxqjrm2u5ps\"}}",
    "nonce": "0xe2ce3f0a2dbea0dc2c3728d9381dfdd8764789919e94956f8eb986e1d8f7bd80",
    "signature": "0xad7a43168671fd12160b0504b39ce668490d52b9ec535f47ed0cc36d269dcd574e0eacc0d7a3359378516f862c3dc765432a372b16d38a1d6296dcfbd46b00b31c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}