Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,540,861",
      "signature": "0x9000311e7d6847788dc7ab408631dcff1d790583593d95c9bc3bff84bfe2ad5c02d48fa0bfd02f83a0f6d74cdc429c1a",
      "randomness": "0x3a9caecbb467066cbbfc405ff69ebc0c0cceae6bf914a456952b8cf93486fe82"
    }
  ],
  "blockNumber": "7,405,551"
}

{
  "Sr25519": "0x709be30e85634a4675e21f85bc5284645d0e2d2c92fd1a4bd67fa7c8fb34d6599a64504a7754b1d6769e046e10cddd24ef3804dd207c49888ff52046dbfb5281"
}