message: doc: change the RPC verify command in README
  The old one will be treated as invalid tx.
diff: @@ -122,12 +122,12 @@ the config file used to start the node.
  The default config file saves data in `nodes/default/`.
  -### Send Transaction via RPC
  +### Send RPC verification request
  Find RPC port in the log output, the following command assumes 8114 is used:
  ```shell
  -curl -d '{"id": 2, "jsonrpc": "2.0", "method":"send_transaction","params": [{"version":2, "inputs":[], "outputs":[], "deps":[]}]}' \
  +curl -d '{"id": 1, "jsonrpc": "2.0", "method":"get_tip_header","params": []}' \
  -H 'content-type:application/json' 'http://localhost:8114'
  ```
  