Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,551,900",
      "signature": "0xa4161b0b1a5bd8c69372b51df3ea392fb0e466e610478c662707704878b8c6dfef7f022697faa64ed97ff3da33d1a29f",
      "randomness": "0x58dc7ca4eaee5cd2cd136229a8feda6081369b00e4c7ee15c02fb2c8c5f28f19"
    }
  ],
  "blockNumber": "7,408,310"
}

{
  "Sr25519": "0x823e6229040ad5c67ebb4296616f582fa78a37e4c8aec656bd1e87e62ee25c7675f70a465b72b51f80c0eafb38d44b01fd35e8437f4f3930c2089f36d6b1d88c"
}