Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,564,590",
      "signature": "0x92b4954b4265da947d098d7259b63e15c2a75ac251a007b11f211693270edd56550a81bbba658000dc2e6d8b341a8b2d",
      "randomness": "0xc914e8b06a44d87bb6eab94359115bad60447f2ce1618862c5ba69f6c4de9955"
    }
  ],
  "blockNumber": "7,411,483"
}

{
  "Sr25519": "0x12edf212458ecf4061b01671227b76f399eb3cb4bf472dc5f247b31e46c92b59b7f6b65d8263aacfec2a9c5b4e587acfb1fa0a3fa3302be04d4b0aef23d9d78d"
}