Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,031",
      "signature": "0x8f15688305532335d0463dd5c91855ebe6f56a48257066e8a2f942de5fdb3819f14b20d1bbe43013fe7854a3761a2b50",
      "randomness": "0x76f3b7e1318b8d2f4f9cf0f7ee94078b89223ac724dd9319924010529e39897c"
    }
  ],
  "blockNumber": "7,407,343"
}

{
  "Sr25519": "0xe48d80c48d486e5010579fc2c960203b08f41e4a48bed72455f0f5500e572f641e965d067abc676b350b105d709435fd064e9583efd7d7c527654db3d284df81"
}