{
  "manageEntity": {
    "action": "Create",
    "entityId": "1957910719",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1957910719,\"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\":\"Texel\",\"duration\":151,\"audio_upload_id\":\"69698911840dd18e5805e3cf9c31296d\",\"track_cid\":\"baeaaaiqsec3k5llxrznka2vcmybh7xm5mqddg4ulo26ql7hk2xvyfm6c7a2zo\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseatxnsppkvypqu3augro32ttaceoobnqyh6hjsdlm4gejrif5kjji\",\"orig_filename\":\"143 Texel.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":95,\"is_custom_bpm\":false,\"musical_key\":\"F major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":967751066,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedxwedseiw4pdev47tigjhyiw6lmkibek75lwq26embmmekczgseq\"}}",
    "nonce": "0xddb1e79e2cc32f89d530fe7cae688d111c38b0b1b64d7f842baeb71db30fa267",
    "signature": "0xb6de75a035ae161ea0ee0f0e29982c6373ead16d57043ce0eacd14d67d5eb0cb4a32b5ff4a0869300f825487b260d30e2ddc73c20ef7bb9e812c7beb431446ad1b",
    "signer": "0xed0793f2bFc46F1A3eCCEB00D07bE594070FAa0e",
    "userId": "967751066"
  }
}