{
  "manageEntity": {
    "action": "Create",
    "entityId": "1293882227",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1293882227,\"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": "0xa8c36d477c4b61ca7d6c6c6dab012b64002549fddf0fe02837743858171b91bb",
    "signature": "0xf3311cc76f99f2193991823fc696456d01dd45cdf7d2ec51188d5257411a07ef6eb85acb738225ce4ce7e14625d1c9d0fbad9b1fbb088da5d1247ef3e66a2df11c",
    "signer": "0x19c2A1f9154c011c6A9C2Ae666c46AB9951bB027",
    "userId": "783282564"
  }
}