{
  "manageEntity": {
    "action": "Create",
    "entityId": "1226615968",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":1226615968,\"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": "0x51e033705310da0a9cf20520dd936fd68faa099d53cb28f3d3f3b1d84e8340bb",
    "signature": "0x54ffea8c6e7d1b343110a1a24d0fed3bcd68caf2a8e059543bdfa7b78e99abb04a1ee5dce830cc23aee06df863131734d8525b1b46f79a7be0622e82a8098bf71c",
    "signer": "0x0AFC0F03a804989644c809E4ad91dF1A79D2A027",
    "userId": "155049649"
  }
}