anchor.diff:  + type: validation_failed (string) - type of an error.
   + message: Validation failed. You can find validators description at our API Manifest: http://docs.apimanifest.apiary.io/#introduction/interacting-with-api/errors. (string)
   + invalid (array)
  -  + `entry_type`: `json_data_proprty` (string) - Type of error.
  -  + entry: $.cvv (string) - JSON Path to an invalid property.
  -  + rules (array)
  -    + rule: required (string) - String constant that represents validation rule type. List of all types can be found in [API Manifest](http://docs.apimanifest.apiary.io/#introduction/interacting-with-api/errors).
  -    + params (array) - Validation Parameters.
  +    + `entry_type`: `json_data_proprty` (string) - Type of error.
  +    + entry: $.cvv (string) - JSON Path to an invalid property.
  +    + rules (array)
  +        + rule: required (string) - String constant that represents validation rule type. List of all types can be found in [API Manifest](http://docs.apimanifest.apiary.io/#introduction/interacting-with-api/errors).
  +        + params (array) - Validation Parameters.
   
   ### `Response__Pagination`
   + limit: 20 (number) - A limit on the number of objects to be returned, between 1 and 100. Default: 50.
  
positive.code:     + completed
      + declined
  + Include Transfer
      + sender (Peer)
          + One Of
              + credential (Card)
              + credential (CardToken_Full)
      + recipient (Peer)
          + One Of
              + credential (CardNumber)
              + credential (CardToken_Full)
              + credential (ExternalCredential)
  + token: `transfer-token-70eb3c2b-9ef0-41b9-989b-0d4bf1d10831` (string) - Access token that can be used to fetch transfer later.
  + `token_expires_at`: `2016-10-18T13:50:40.54502Z` (string) - ISO datetime that signals when token will be expired.
  + updated_at: `2016-10-18T13:50:39.677992` (string) - ISO datetime when there was last change in transfer.
  
negative.code: + code: 200 (number) - HTTP response code.
  + url: http://example.com/resource (string) - URL to requested resource.
  + type (enum) - Type of data that is located in `data` attribute.
      + object (string) - `data` attribute is a JSON object.
      + list (string) - `data` attribute is a list.
  + code: 200 (number) - HTTP response code.
  + `idempotency_key`: `idemp-ssjssdjoa8308u0us0` (string, optional) - [Idempotency key](http://docs.apimanifest.apiary.io/#introduction/optional-features/idempotent-requests). Send it trough `X-Idempotency-Key` header.
  + `request_id`: `req-adasdoijasdojsda` (string) - [Request ID](http://docs.apimanifest.apiary.io/#introduction/interacting-with-api/request-id). Send it with `X-Request-ID` header.
  