Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,567,932",
      "signature": "0xa29425b3079587dcae59cea8cc2f48c534a8ea9d5e2b5d34a356d7d3188af161e3e443eb5562a97cfc67a43581100c7b",
      "randomness": "0xa88428801f6621a1624db4efd63fbaab951ae862ffb2f79f075a280fec5bc00d"
    }
  ],
  "blockNumber": "7,412,318"
}

{
  "Sr25519": "0x98cc403df62a9fe80ba6952976c75b126df234e6f8b7f0afe3fd01eac4423e468ef89f9c5370e1e36f10d3071d14163adb2b804cc97bf708a7848df84702918b"
}