Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,567,632",
      "signature": "0xa39019a688bfeea311ec733f35608c0648a2fcd174b857e6afb028960f895e6d49256b9d4349cbbe5d6b7a1f5dff23c1",
      "randomness": "0xda878f590939823c225aac8f981c80915193046367b0456227c905f65a39a05d"
    }
  ],
  "blockNumber": "7,412,243"
}

{
  "Sr25519": "0x5024728a824df71559733a2c278a4989da1f428e7ac1049c32553974b6d3ec6f9cc255db6b1ca2ea818c56df29ddb0fda9008bf6ad41d6eaa46c7328e3978084"
}