Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,349",
      "signature": "0xb407cb4863d84ec54df884b24d5b4297d7df9d97d10392e985cd059c76bc80d1722e4243c69f6f8f4594a464e3167374",
      "randomness": "0xb5f3fddd7d89c8d72ad5f7871880c65cc12b11ed86418811998e7534bb5fe315"
    }
  ],
  "blockNumber": "7,407,423"
}

{
  "Sr25519": "0x9ad970f316c2979064343f7cd9ad59e251e5565e000ff85763155a20d060c9623bd0a8a64476f3eca5fcd5a1a7cdc42ddbb31def006fb35ab37325287695c180"
}