Reference for http://www.bungie.net/Platform/User/UpdateDestinyEmblemAvatar/

Updates the user's destiny emblem selection, or clears it if the values are zero'd out. Returns new avatar relative url.

Url: http://www.bungie.net/Platform/User/UpdateDestinyEmblemAvatar/

HTTP Method: POST

Requires Sign-in: true

Url Parameters: No Url Parameter documentation is available for this method.

Request/Response Body Formats:

Message Direction	Format	Body
Request	JSON	JSON object
Response	JSON	JSON object

The following is an example of a request JSON body for this method.

{
  "MembershipType": 0,
  "DestinyMembershipId": "0",
  "DestinyCharacterId": "0"
}

The following is an example of a response JSON body for this method.

{
  "Response": null,
  "ErrorCode": 0,
  "ThrottleSeconds": 0,
  "ErrorStatus": null,
  "Message": null,
  "MessageData": null,
  "DetailedErrorTrace": null
}