{
  "manageEntity": {
    "action": "Create",
    "entityId": "1249211481",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1249211481,\"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,\"mood\":\"Sentimental\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"Oh Tonight\",\"duration\":247,\"audio_upload_id\":\"01KSZYK32Y2J0Q01WBB8P41NEW\",\"track_cid\":\"baeaaaiqsed3yr2ffy7vmshuvk4pdmse2rbdcnlbrundoanqx53n5v7hcj3qt4\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseaaaztwai5iflovquksa6l74pgcaipthv4irkcgl2ksdb2cyr3kuu\",\"orig_filename\":\"Oh Tonight.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":89,\"is_custom_bpm\":false,\"musical_key\":\"C major\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":831117417,\"track_segments\":[],\"cover_art_sizes\":\"01KSZYK2288BGTQCZGMTXEFWAV\",\"audio_analysis_error_count\":0}}",
    "nonce": "0x325d574d291f8efa8ea68946fdfa433532765171de56ea5ab5cc87addb5fdf7f",
    "signature": "0x60e155d151efb19f1fd53f543eb18ed3b769801fa97bfd284cc3b06b3a471e5c0631c68a50225be76174d8f871548b884f541b7a371c140d131465f2916047231b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}