Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,541,870",
      "signature": "0x8bbd874fa490f1eca28e73c16afefbafa0b155ee2c2694710d1016594d7c13397d12162d594368554ce181d27cc2a05c",
      "randomness": "0x3338d237a049fceefd8d7eb30f7998cc7c495349c0e8480dd985dc1380cac660"
    }
  ],
  "blockNumber": "7,405,803"
}

{
  "Sr25519": "0xdc5438e5e168b8bd4b8e2789177bb5b30ea7fd4522c99555ee449c5ff6437339a865dafa4a938e1513c5ae493b502a5f69a835d0afd03bcfe85374212e773f8f"
}