Since 2.2, msiDataObjChksum can take a parameter with key-values format which make this microservice obsolete.
Since 2.2, msiDataObjGet can take a parameter with key-values format which make this microservice obsolete.
Since 2.2, msiDataObjPut can take a parameter with key-values format which make this microservice obsolete.
Since 2.2, msiDataObjRepl can take a parameter with key-values format which make this microservice obsolete.
The new microservice for replicating a collection is msiCollRepl.