polkadot-js/api

{
  "jsonrpc": "2.0",
  "result": {
    "digest": {
      "logs": []
    },
    "extrinsicsRoot": "0x45b0cfc220ceec5b7c1c62c4d4193d38e4eba48e8815729ce75f9c0ab0e4c1c0",
    "number": "0x0",
    "parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
    "stateRoot": "0x294c3470ae3be7555240b9d034ec19c3715ba2c3f20b92441f8cea0cab66ab56"
  },
  "id": 1
}