{
  "manageEntity": {
    "action": "Create",
    "entityId": "337704161",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":337704161,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Dubstep\",\"isrc\":\"\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":null,\"mood\":\"Easygoing\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"laserturken,laser,malmo,rekoilz,dubstep,kaoz,klippa,tung\",\"title\":\"Laserturken Rekoilz\",\"duration\":210,\"audio_upload_id\":\"4f5f8d2ec8c906f129e05e32bd9032f6\",\"track_cid\":\"baeaaaiqsedujzjn7icrntvffdyim2wlpgmunzxlhs23d7cal3kafitsxioyyo\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsedeb76sqrpmv5fzvjjyczisqch73hdlndo46kxwe4n3iml7y2jldo\",\"orig_filename\":\"Laserturken Rekoilz MAST.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":140,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":166773,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebsfr7vtsutksvo7jggvahlympizszch4eljto3osug7p7uxaj5tw\"}}",
    "nonce": "0x882482484f71746079ae3f37a5d4895ffac77b3e730af4f1cbf002032a8b7a0a",
    "signature": "0x15b4afa164430cc068ff2428d8ea5b72cad145e96fcc4b8ad8694cf49aad85427427e681817ded28891603e8a2c9f7e494da603a5b85b0b16d2831fb9b7258f41b",
    "signer": "0x3111d8c51Df47641De4AbcBffb72F4EAbdE443A0",
    "userId": "166773"
  }
}