{
  "manageEntity": {
    "action": "Update",
    "entityId": "1487161614",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"track_id\":1487161614,\"owner_id\":753406205,\"field_visibility\":{\"mood\":true,\"tags\":true,\"genre\":true,\"share\":true,\"play_count\":true,\"remixes\":false},\"genre\":\"Electronic\",\"isrc\":null,\"is_unlisted\":false,\"iswc\":null,\"license\":null,\"mood\":\"Defiant\",\"is_stream_gated\":false,\"stream_conditions\":null,\"allowed_api_keys\":null,\"is_download_gated\":false,\"download_conditions\":null,\"release_date\":\"2016-07-15T05:00:00.000Z\",\"title\":\"Awesome!\",\"duration\":249,\"audio_upload_id\":\"047ab5310d53f4ca4ea98b24fd8b8c3b\",\"track_cid\":\"baeaaaiqsecrtnejuvnoivzsfxikiryl4t27ia4o62vacku5u24dwn22d4yvbi\",\"preview_cid\":\"\",\"orig_file_cid\":\"baeaaaiqsecnkzyolpng64tnbllqjxaexari2jomjmmm7ieoxn6bcdfo4vkioa\",\"orig_filename\":\"[RoL04] Zirex - Awesome!.wav\",\"is_downloadable\":true,\"is_original_available\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"parental_warning_type\":null,\"bpm\":87,\"is_custom_bpm\":false,\"musical_key\":\"F minor\",\"is_custom_musical_key\":false,\"comments_disabled\":false,\"is_scheduled_release\":false}}",
    "nonce": "0xd789a242c8abb36aecc091130f09dbfbbc00da495e52e805ed453820895d782e",
    "signature": "0xc4226e36232b91ca49d97682c76bad3a977b216e0ac1e5afa92aa67089804a27004759b72a99b7d723293fc95a6d3390050425b7ba6502390c2c784bef7411501c",
    "signer": "0xA78Fd746fAA824dCb68b68CC13fA9812a1ff2069",
    "userId": "753406205"
  }
}