{
  "manageEntity": {
    "action": "Create",
    "entityId": "1899712555",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1899712555,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"HOUSE\",\"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\":\"Radio Generation Iron - set 13 House (Afternoon)\",\"duration\":3461,\"audio_upload_id\":\"d1b6fff77527f3b9b3e4f587d986514a\",\"track_cid\":\"baeaaaiqsebtwdv4inicbtmvyo2iir7rikd3yw6qr6dpyrgzfu6ppht2r4raao\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsea5sdogxc6fkkv2frk2tsflfwace5qzbrwfelvy64a65oke5vbtyq\",\"orig_filename\":\"F_RGI-13afternoon.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":127,\"is_custom_bpm\":false,\"musical_key\":\"G minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":247477413,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebk7aredlwg2irpuwvxcz67yvqbcellrzsh2dkpdwbghzit4fb66w\"}}",
    "nonce": "0xadc7e879cdc20526910ac99746c4e1a007bc3fefa44e720853ea7bfb760948c0",
    "signature": "0x09d4ab1fa4209f95764492b0d1cd1662a44ec55407f3913fa311da8c05309d0119396b4fd67cd5c1c50be598776f24177446021b48590361e04951f127957be61b",
    "signer": "0x16b438D7dfC1de534530231462EB0B437827490d",
    "userId": "247477413"
  }
}