height defines at which height to query the historical info.
Response
A successful response.
Body
histobject
hist defines the historical info at the given height.
historical_recordobject
Historical contains a set of minimum values needed for evaluating historical validator sets and blocks.
It is stored as part of staking module's state, which persists the n most
recent HistoricalInfo
(n is set by the staking module's historical_entries parameter).