{
  "manageEntity": {
    "action": "Create",
    "entityId": "1587702385",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1587702385,\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":false,\"playlist_contents\":[]}}",
    "nonce": "0x419535835b127ec94eb0ce65364dbdcd770afaf88f50b57d79a1c899db313d66",
    "signature": "0xd44a4ad54d919335e49d9979024b6f142a84f185ada8e00b6baa67cf3331b2eb37810c23012a8b5b331d813a9433c209a17101f210477baa8e70fe8c80b5d9841c",
    "signer": "0xa8FAee271fbDADAbCCFD70eC63171F68D1D81006",
    "userId": "436337892"
  }
}