{
  "manageEntity": {
    "action": "Create",
    "entityId": "461742694",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"playlist_id\":461742694,\"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": "0x8f42be1dabb49b5725af1c63540a0a9249eeb549a448f929f39b1e168ae7d6e5",
    "signature": "0xb8aee53a1d6ea0fc0995f8aa5911042230666d0cad8baba187f2b476a471f04170c0cb572d3ef65629afc88e8c74e2befae49ef5ce023f6690c5e38befa09c8f1c",
    "signer": "0x19fb45DC2c238C8e4abe5659E910fFa787f2eD91",
    "userId": "156440649"
  }
}