{
  "manageEntity": {
    "action": "Create",
    "entityId": "778748143",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":778748143,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":false,\"play_count\":false,\"remixes\":true},\"genre\":\"Trap\",\"isrc\":null,\"is_unlisted\":true,\"iswc\":null,\"license\":null,\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"title\":\"Return Air\",\"duration\":199,\"audio_upload_id\":\"79e388b2fdd58879367ab0670a644d40\",\"track_cid\":\"baeaaaiqsecmyczzhysqf23n352s7j7dm2x2fpkpzbq5n2baj6hb3he3tt2agq\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaj2twq2gpuq7ilhp4zeqq4nffurj4tfgaoslvtzwfpbn4k2xhkk6\",\"orig_filename\":\"Return Air.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":128,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":392316751,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed3xnhety5r36rcqqv7t6e5uezy6tatyrygmba5dsdpmkx5wtvqoe\"}}",
    "nonce": "0xc84a9316dce87fc0f315930508cc6f6f697b05c2e77120fd0a3e91239d6731bc",
    "signature": "0x1aa69ac3cfd8cfe62e33c70bd6548e4c9269d6da5cc3ab82cd7e70a57b7c61d771181e8e746d415cd23acd7b4362fa2b459649366e713dae3c1d37279a2016e21b",
    "signer": "0x6151d65D5f24eDf638335E276837A6e4Eb8d2012",
    "userId": "392316751"
  }
}