Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,657,050",
      "signature": "0x9701fc7bbc8b3f2736878b763034918ec2a6d14cb889747e10b75bec26350aba607ca946a4fdd3ae761057f0cfcac588",
      "randomness": "0x82c72c6c27f1d3a784d560ec9cc020cb25273be25a2bd71dd59545a295c59310"
    }
  ],
  "blockNumber": "7,434,567"
}

{
  "Sr25519": "0xbaa963d63b26a40956ddd368ef026c588889b5ffaa85799da98ea8dabec22400416776e9e4bb0f8fadb6facab61292c2eb8e657ad4c9254d32c2e7812654ec85"
}