submitblock
Adds new block to the blockchain. Request should contain one string with hex-encoded block blob.
URL: http://127.0.0.1:31112/json_rpc
Request:
{
  "jsonrpc": "2.0",
  "id": 0,
  "method": "submitblock",
  "params": {
    "blocks_blob": [
      "0300000000000000008...."
    ]
  }
}
Request description:
  "blocks_blob": array of a single string; block's blob.
Response:
{
  "id": 0,
  "jsonrpc": "2.0",
  "result": {
    "status": "OK"
  }
}
Response description:
  "status": Status of the call.