{
  "manageEntity": {
    "action": "Create",
    "entityId": "340183583",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":340183583,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Pop\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Melancholy\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"Latin,Reggaeton,Lento,Trap\",\"title\":\"MEDIANOCHE ft. Helenna \u0026 J.Olly\",\"duration\":268,\"audio_upload_id\":\"88e9d5a35dbee160305c751ac4aa4d2d\",\"track_cid\":\"baeaaaiqsebd4w3g7wmv2exnqwhteoixrby5iz4xykd2p7zqn5o35y5nv2nd4s\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqseahzoejr6qz4ll5w6mzjwy2ktnghfqitigfeosrnkf4jusnbgcbku\",\"orig_filename\":\"MEDIANOCHE.mp3\",\"is_downloadable\":false,\"is_original_available\":false,\"is_playlist_upload\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":123,\"is_custom_bpm\":false,\"musical_key\":\"E flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":87862265,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsedceieydceuve5azgz5f5gbpajhkcgg5oaje4kymek25a5sbcfpfa\"}}",
    "nonce": "0x67bbdd6da75474e2995274ca57e738e5cfaa06d042bb6846c572ae677991ad4d",
    "signature": "0x00ff53217847d4cfa390fcacdd7a58a0068d13bf14c84b6418db6465d90636e5693e730a7af97b94cd0fa516db5a04a31696f14a464426c63a6677254711c1d81b",
    "signer": "0x77dc0D687FdCf6769B72c6e7a907f005c300B0dd",
    "userId": "87862265"
  }
}