{
  "manageEntity": {
    "action": "Create",
    "entityId": "997129937",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":997129937,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Drum \u0026 Bass\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Defiant\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Alpha\",\"duration\":227,\"audio_upload_id\":\"b55268fc685ce7cc079263a908b433ca\",\"track_cid\":\"baeaaaiqsecyo7dx6kpma7dcksra6lte3pr6jikzowvf4omjkj42evxo2uyfk6\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebph2aotlvxbmecpq67z7rls263arsdf7xxqqotdpmd5rpwxyo3kk\",\"orig_filename\":\"Alpha.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":84,\"is_custom_bpm\":false,\"musical_key\":\"G flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":3233,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecmyd2pjenmnhqxl7cyoni33w6xxpfn7nhwod4s2xnzls6px6nhaq\"}}",
    "nonce": "0xda373ab396437cd3a7f826255b31e4ecf292b082643ecde6357e8b5074e7f69c",
    "signature": "0xac7cc8da5dcf82104b94dd00276bbdf13482897f1978930cb9d9a7ed2a3a50f9369a59e584fbb8df026f18d98f4524b7fbab94fe254014bffde6867ac0d0460e1b",
    "signer": "0xC07B8B23D6F9f75e824A42e0EC8d5c9E83BFaF31",
    "userId": "3233"
  }
}