anchor.diff:  * Errors use a non-200 and (optionally) an error payload. See subsection on Error Responses for more details.
   
   + Parameters
  -    + limit: 20 (optional, number)
  -    + offset: 20 (optional, number)
  +    + limit: 10 (optional, number) - Limit the number of types to be retrieved
  +    + offset: 20 (optional, number) - Skip a number of records
  +    + options (optional, string) - Options dictionary
  +      + Members
  +          + count - when used, the total types number is returned as a HTTP in the response named `X-Total-Count`
  +          + values - when used, the response payload is a JSON array with a list of entity types
   
   + Response 200 (application/json)
   
  
positive.code: * Errors use a non-200 and (optionally) an error payload. See subsection on Error Responses for more details.
  
  + Parameters
      + limit: 20 (optional, number)
      + offset: 20 (optional, number)
  
  + Request (application/json)
  
  
negative.code: 
  + Response 204
  
  
  ## Attribute by Entity ID [/v2/entities/{entityId}/attrs/{attrName}]
  
  