Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,579,789",
      "signature": "0x8640c192a21e7793f627aa53e09c0edba8b88a5555d5f89e58c37aa728907de02be1fe437d3cb72339412e1caf0c17c4",
      "randomness": "0xa2bb370e325c5fb2a2b6eb1186d3cec17d00db51d0f69826c01a683e3ca6f7c6"
    }
  ],
  "blockNumber": "7,415,270"
}

{
  "Sr25519": "0x0cc5e4335ccdb7005bc03ed1022a75075bba858a9f9736f2f4bf28cefc91c34b3ae16eff39123b30a27380fa9c944f484fbeb7f3a1e276a4bc59c34c59929b8f"
}