{
  "manageEntity": {
    "action": "Create",
    "entityId": "768385671",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":768385671,\"description\":\"I'm on the train again today. \\nI'm at the back.\\n\\n I'm looking at the same view as you all.\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Alternative\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Peaceful\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Colors\",\"duration\":299,\"audio_upload_id\":\"2bd1a36643d0db0a45755814f40b2257\",\"track_cid\":\"baeaaaiqsecf5pcloafqmrp5cp2vhzrtpsou7dydqcvmhy4xcakv4j7fsputqm\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecleqdeiopyx6mrr7ea7vu7vspz6z7scqe2vwssx3jmrz447m4g3k\",\"orig_filename\":\"Colors.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":122,\"is_custom_bpm\":false,\"musical_key\":\"B flat major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":219968466,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedtrsdpdd4kgasstousrml6bfywh2at3tihdd3hvutc3v2kddrxiy\"}}",
    "nonce": "0x9cc5cd70a37a310aca0659d613a20948ee93fb1c09106a8d3e05393724564e78",
    "signature": "0x8ef388b20c30ab4cfbe058381cf71ada8910953054f65b35de8bf6ebeb6ed818194ae8869f8207df212b2c19358518acccf55200390531dbbb17dc7d3d16632c1b",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}