Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,584,909",
      "signature": "0x8a27b0a8b6c1ad5d3ce01d01a0bb99ab039588be83d2b24218cdd21fc7c81f46764b89ab3f5dbe7cc4da567356d9cd95",
      "randomness": "0x138bc07131ec07022e99d3d042a16e1911b427f7c9add42b78886c4d7cf146fb"
    }
  ],
  "blockNumber": "7,416,550"
}

{
  "Sr25519": "0x5c9653f0bf178cd88b1e068a8eaa3ed48e079441ab8c6a341e73fc14cccba83199dcc756d4f6f31720657507e21fabed044e24026e11c2f4d99a8199ad638685"
}