Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,577,229",
      "signature": "0xaa450a2cbeb97192526a9165debc34bb4919f943ef8fa3f082142be4b50fbc544eb5b70148eb01b0a79e65876561e797",
      "randomness": "0xe01b809319dd61524ea85fad749799e66e7b7dce45d3cb14384183eb5a4e2263"
    }
  ],
  "blockNumber": "7,414,643"
}

{
  "Sr25519": "0xb0d2adf88589a98080f710ac1cb9ea3bac155a1bb694be49810f7ece525489243ec8dbc0e01cd968b63615ed1424535b6554547d8bc5dce6a37fb45428813684"
}