{
  "manageEntity": {
    "action": "Create",
    "entityId": "1852570753",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1852570753,\"description\":\"\",\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":true},\"genre\":\"Latin\",\"isrc\":\"ESA122645258\",\"is_unlisted\":false,\"iswc\":\"\",\"license\":\"All rights reserved\",\"is_stream_gated\":false,\"stream_conditions\":null,\"is_download_gated\":false,\"download_conditions\":null,\"tags\":\"\",\"title\":\"De playa y río\",\"duration\":198,\"audio_upload_id\":\"ab5e47c633689ed40f040f81b697793e\",\"track_cid\":\"baeaaaiqseazxkkwvm6tih4ykvnzd3d5wcigbnaaorvg4tqsn7lcjs6wlfve56\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsebnloat6lkmlkt4tqutrscrogxwhnygb5nc6emshi5ie7syh3rzeg\",\"orig_filename\":\"te vas mejor contigo  16 bitv 7 MASTER.wav\",\"is_downloadable\":false,\"is_original_available\":false,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":80,\"is_custom_bpm\":false,\"musical_key\":\"B flat minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false,\"owner_id\":20289770,\"audio_analysis_error_count\":0,\"cover_art_sizes\":\"baeaaaiqsebxyrwxeageei5v7l2u7tplowkeztrtlldpucp4uwzlioxhkh3uo6\"}}",
    "nonce": "0x69b85fec79112506cf0b85242e4f79423056456a4900ddda61d58780fd99869b",
    "signature": "0x0c047d3f65f147dc5545bc58cab8ff6e10b33255d1d19dd0940164129ae3e583624f5dcf849483279fb7f08b15eb9159328be2404eef442b158b1a5c174c5c0d1b",
    "signer": "0x19f45BcD7C0300306b47969a99Dc4bc70Fa19fa9",
    "userId": "20289770"
  }
}