Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,586,912",
      "signature": "0xa4059271c49f89b8d07c808f1f2bd492c492de32a641236860c552e261ad73740746a628468bed5aec5e27f7f7719f5f",
      "randomness": "0x109ba426fded06d3c0a534f7bbeb0f99bac23fdc3533b8eec7e0aa2ee7d3df3b"
    }
  ],
  "blockNumber": "7,417,050"
}

{
  "Sr25519": "0x804879c8f856ac2ab13193b8a68d84833b461957243b722acac4e698ea2b1813d68b18365ae014a5a80964b531ec9c0387bb89c42a8fef2424dd82926af98388"
}