/block/summary
Request Type: GET
Returns information about the last block.
Response
{
"RowNo": 1,
"Sign": "b6hxcdlbe9ev7ijra2ewyo8k9epep1kaf1tv5bne5pkkjw8x93xj6yjn4zlrrvt45w6plf7i0jgtydk66qdbaw976nwjz5ebe7x9xbon7pqe8mbkbwhs37hwh5k2k9zq2rvum943c1tw7ta13ybfwxeo5kruj97dajvecml10pqys95656nni1xvgziflmwh",
"uID": "100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"
}