anchor.diff:  operation was performed. When the recovery configuration is updated, a new
   recovery token is generated and added to the list. A history of previous
   tokens is kept to allow for propagation delays of new recovery configurations.
  +The recovery token is a random binary value, displayed as well as sent over
  +the wire as a base64 encoded string.
   
   | pubkeys
   | Yes
  
positive.code: An example request:
  
  ----
  POST /pivtokens/97496DD1C8F053DE7450CD854D9C95B4/recover
  Host: kbmapi.mytriton.example.com
  Date: Thu, 13 Feb 2019 20:01:02 GMT
  Authorization: Signature <Base64(rsa(sha256($Date)))>
  Accept-Version: ~1
  Accept: application/json
  
  
negative.code: 
  Once the entry is updated or created in moray, a successful response is
  returned (201) and the generated recovery token is included in the response.
  The recovery token is encoded as base64.
  
  Example request (with attestation)
  
  