{
  "manageEntity": {
    "action": "Create",
    "entityId": "480253459",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":480253459,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"R\u0026B/Soul\",\"isrc\":\"\",\"is_unlisted\":true,\"iswc\":\"\",\"license\":null,\"is_stream_gated\":true,\"stream_conditions\":{\"follow_user_id\":507170227},\"allowed_api_keys\":null,\"is_download_gated\":true,\"download_conditions\":{\"follow_user_id\":507170227},\"tags\":\"\",\"title\":\"NOT ALONE (3B)\",\"duration\":247,\"audio_upload_id\":\"0c201b0a869562a5071a2bb0d1f0713e\",\"track_cid\":\"baeaaaiqsebeklil6fmggkiro2b55oaj7w6h7tj4ahjd3ap5qkdmff7kebgxja\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsec7fekqapgblvahtzkyacwwzxclffzxev23lv4l2g4gq7kusov3e2\",\"orig_filename\":\"NOT ALONE (3B).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":121,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":507170227,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsed22deutqxtv3w3zkd63ydvilkswskvlawzciqija44njlldaufga\"}}",
    "nonce": "0x11b992f284ec9d3f95682c95a1f8b4fa0bae658fe0c5269eda510576cd1254a3",
    "signature": "0xf7f6720bd4643f2a80ac5141d5ca058c49a366370293a520e9e1a189ee8b130e0050d72db512eb644756fa3ea7716305bafc50ca6fa2fbf18548dee9094ea7051c",
    "signer": "0x56F7450749B92d306C521a22A64BFfc99f3C4756",
    "userId": "507170227"
  }
}