Write Pulse

{
  "public": {
    "Sr25519": "0x6aa461fadcd999ba411fd32da6f94a684be4f49f317aeb5844eb35914d86460d"
  },
  "pulses": [
    {
      "round": "25,547,107",
      "signature": "0xb8642ab818aa6db6566e84f355a6f480ddc11ed9ab4fb7fc57c58ee01e8cd27fbf8001fffd145a74203f0c9d17a9450a",
      "randomness": "0x09b336543eae0f2e3de6c16acf8a43d935579bf2ea7cc4abf73aa141b11f43c2"
    }
  ],
  "blockNumber": "7,407,112"
}

{
  "Sr25519": "0xfac28c77a8e4eec8ee246977e77ed4a19b0ceb2442011b46788bcf844535416155bea9e2d87d14b09f5b0592c58dbae5a4aca0e288bd539523c56a0d0041e587"
}