message: Encode nanoseconds in Stargate client
diff: @@ -12,7 +12,12 @@ import {
  } from "@cosmjs/launchpad";
  import { Uint53, Uint64 } from "@cosmjs/math";
  import { decodePubkey } from "@cosmjs/proto-signing";
  -import { adaptor34, broadcastTxCommitSuccess, Client as TendermintClient } from "@cosmjs/tendermint-rpc";
  +import {
  + adaptor34,
  + broadcastTxCommitSuccess,
  + Client as TendermintClient,
  + DateTime,
  +} from "@cosmjs/tendermint-rpc";
  import { assert, assertDefined } from "@cosmjs/utils";
  import Long from "long";
  @@ -179,7 +184,7 @@ export class StargateClient {
  },
  height: response.block.header.height,
  chainId: response.block.header.chainId,
  - time: response.block.header.time.toISOString(),
  + time: DateTime.encode(response.block.header.time),
  },
  txs: response.block.txs,
  };
  