{
  "manageEntity": {
    "action": "Create",
    "entityId": "2012937665",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":2012937665,\"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": "0xf850a438493e0611e532a4d76fdb4f8ff8bf22dedac34c50d3033ce910c460c0",
    "signature": "0x88c5bf583cd2a06cc924380b9b4c6b114721f8223544d89d174b0559666d96933a81a25847d276c8e9de883826731d9baa3501f1fdb032daed69dd607ff22aac1b",
    "signer": "0x85d37e3770890FD6c57149FDfcb1FaC0c8B279BF",
    "userId": "963468241"
  }
}