{
  "manageEntity": {
    "action": "Create",
    "entityId": "552269297",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":552269297,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Hip-Hop/Rap\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Tender\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Sweetbiddi,Barbie,Btc,Bling,Chill\",\"title\":\"NODEstradamus\",\"duration\":187,\"audio_upload_id\":\"3ad23f5bb5f47973d910d7b0fd107f39\",\"track_cid\":\"baeaaaiqsec3c4gnzvv6bxhyxz2cohc2exwytevxcprord2mgc64uectkeir72\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebg5kuztukoiykysiqvibknwdic246qzjk3wrhhz67gkh6rhx434m\",\"orig_filename\":\"NODEstradamus - winner.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":90,\"is_custom_bpm\":false,\"musical_key\":\"E minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":344756485,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsecxxtyl5ezj5ylesdffhyreakxf4bgmk3ohdiquoad53ygr7wk6aa\"}}",
    "nonce": "0x91ce57be36f5976f26104cbf0dd230e9c66db41e769e17495b2a47f21c612b98",
    "signature": "0xfa2c5ebb07f2afadf4cafb264331b577cd1cb2194e707f8bde2138e0990e62155bdda7a40c7b620edb4dc125a9bf1c86698c313f9ad1064f6d6a870867b91c001b",
    "signer": "0xc6A421843C183591853a72f2afe7AF4CcFbc4FA1",
    "userId": "344756485"
  }
}