{
  "manageEntity": {
    "action": "Create",
    "entityId": "1297697594",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1297697594,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Rock\",\"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\":\"Anna Bolena\",\"duration\":392,\"audio_upload_id\":\"e1459aed22512d6f56b6770dc00ffa63\",\"track_cid\":\"baeaaaiqsedmispg32tuhtobc25wyhnm7op47rbsjq5wpc7hfr5ootai3j4b2o\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebjgb3ypezy5vkisau2tyn4eh65h7h2luqiijmd52v7pq3vp2o3dq\",\"orig_filename\":\"Anna Bolena.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":104,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":293079302,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebpt62t5yuh7t5snos5uah6ba6koc35nsxiy7z3tktbs4wow4p6yi\"}}",
    "nonce": "0xa46bb10adffcb9240a977d6df8a0d146420e8e2f8637c7f9ec2e9897feb27b50",
    "signature": "0x042dfcb6cf3f882866f7d4841d90aec7a366476d18068bc04a92c5a70cdc10441f4390a1d20b4da60a4bd72e75225368b112f1ec831d59e03549d4a63057999c1c",
    "signer": "0xf09655016E5BC398915040fFD29A085937AC6928",
    "userId": "293079302"
  }
}