Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,602,350",
      "signature": "0xafa045621c0f36fc765aef7495168de26924d02b44c6fc3a1c6c140ea4506dbd30af4e94928563ac6db96f9c2d3e9729",
      "randomness": "0x26415de84c5ed65caec9fd847014ae34ff3e6086f2d37f683fd028bb6471f2d3"
    }
  ],
  "blockNumber": "7,420,904"
}

{
  "Sr25519": "0xf624bebbb65eb533f75798a3a63d9d4fd8e8e221f6419e5a080364ac819df531d333d5a7684b77755c904a4d3df922cea3a936b12974939be6f66e5070f58980"
}