{
  "manageEntity": {
    "action": "Create",
    "entityId": "1047937229",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1047937229,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Funk\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Energizing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Gfunk\",\"title\":\"Mr. Piano Man\",\"duration\":199,\"audio_upload_id\":\"90fbdb461dfb0500ef63c1ecd3cbd93a\",\"track_cid\":\"baeaaaiqsebhmtwuirc3ydtrrw5f7p35et5s4tgqy2ahri4ehiwpgeuicps4hi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecaqutdol2hgldmmyhjovz5ltzx6eqln2geljlglxomlip4xvnhic\",\"orig_filename\":\"MrPianoMan-GraveRaver .m4a\",\"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\":\"C minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":640431449,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebbcbzei7liprw2fvus3ska3lokgl2d4f6e7to5kvt7lqw4gazj4y\"}}",
    "nonce": "0xb7de2f30015dd85aecc08ebc37889dd8749d42c1f0df4754c812c40226c8e694",
    "signature": "0x46c98251ca9b5f856cdff85d5364dcd7d3d07a502018a8e39d5af7ebe6e32f7b2861446a5965e8edce207cd645325e7c150efcf1cdd1b979bfe8ec153d2160b51c",
    "signer": "0xeA46e9FAC7d0C13eF953aDBe18492fBf149F55Fa",
    "userId": "640431449"
  }
}