{
  "manageEntity": {
    "action": "Create",
    "entityId": "646788085",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":646788085,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Drum \u0026 Bass\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Lost in the Crowd\",\"duration\":266,\"audio_upload_id\":\"d7cba3bfc226a30ed569ac6d5d90692d\",\"track_cid\":\"baeaaaiqseaykz224tifwbyddbu2k5lmg3xlqt3bh7qswiny2chdzfkaseaaqk\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseabybyhoikl526td5omtyy5rukbytdj7mqq5datdkl5minktcnt5g\",\"orig_filename\":\"Lost in the Crowd (Ronis).wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":115,\"is_custom_bpm\":false,\"musical_key\":\"D minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":357460890,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedv3tawjlhql7e4ahwnn7iw2tevhqu6lkekduxrahkk7nqfrungwm\"}}",
    "nonce": "0xa4d34eca6901f436969e158ccfc4e3f9ee082727602c774d3e6b949845b2afc4",
    "signature": "0x0a41df0e7b95301bbd752c81ab178a754fb9a5b293d908b896aa3e1baf694d0633f27e3b06b506074d4a922c5e79bcbcf95ff8b0e6e7c465da8fa4cf2f9bd89b1b",
    "signer": "0x858Be7885D181415aF81b736714608bbff4936d2",
    "userId": "357460890"
  }
}