anchor.diff:              "temperature": 22.5
           }
   
  -### Get one entity attribute [GET /v2/entities/{entityId}{?attrs}]
  -
  -+ Parameters
  -    + entityId: Bcn_Welt (required, string) - Entity ID
  -    + attrs: temperature (optional, string) - Attribute to be retrieved
  -
  -+ Response 200 (application/json)
  -
  -        {
  -            "temperature": 21.7
  -        }
  -
  -### Get one entity attribute. Not present [GET /v2/entities/{entityId}{?attrs}]
  -
  -+ Parameters
  -    + entityId: Bcn_Welt (required, string) - Entity ID
  -    + attrs: mistake (optional, string) - Attribute to be retrieved
  -
  -+ Response 200 (application/json)
  -
  -        {
  -        }
  -
  -### Get several entity attributes [GET /v2/entities/{entityId}{?attrs}]
  +### Get entity attributes [GET /v2/entities/{entityId}{?attrs}]
   
   + Parameters
       + entityId: 'Bcn_Welt' (required, string) - Entity ID
  
positive.code:             "humidity": 60,
          }
  
  ### Update or append an entity attribute. POST or PATCH [POST /v2/entities/{entityId}]
  
  + Parameters
      + entityId: Bcn_Welt (required, string) - Entity ID
  
  + Request (application/json)
  
      + Headers
  
              X-HTTP-Method-Override: PATCH
  
      + Body
  
  
negative.code: 
  + Response 200
  
  ### Get attribute data [GET /v2/entities/{entityId}/attrs/{attrId}]
  
  + Parameters
      + entityId: Bcn_Welt (required, string) - Entity ID
      + attrId: temperature (required, string) - Attribute to be retrieved.
  
  + Response 200 (application/json)
  
          {
  