MsgUpdateParam is the Msg/UpdateParam request type to update a single param.
Coin defines a token with a denomination and an amount.
NOTE: The amount field is an Int which implements the custom method signatures required by gogoproto.
authority is the address that controls the module (defaults to x/gov unless overwritten).
A successful response.
MsgUpdateParamResponse defines the response structure for executing a MsgUpdateParam message after a single param update.
Params defines the parameters for the module.