polkadot-js/api

{
  "jsonrpc": "2.0",
  "result": {
    "block": {
      "extrinsics": [
        "0x280203000b868d92346c01",
        "0x14020c008151"
      ],
      "header": {
        "digest": {
          "logs": [
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          ]
        },
        "extrinsicsRoot": "0x794ff5dde3eaa27d56cc760dd18774c883d51ed9206ff93c9a7e7d6a8a6dca11",
        "number": "0x1461",
        "parentHash": "0x28cda71a46766fe3cf64475b566916d367617d14627e895067f4186e65609d0e",
        "stateRoot": "0xc7803b39c1b30a87566ec9d95890db76cf2eee7034faee4c8a0997759e7bcb7e"
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    },
    "justification": null
  },
  "id": 29
}