Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,471",
      "signature": "0xa74953eed7b5da92ce7647e0597eb90aee21076120b7ed35ce872d1cd8f04f237276963507c5aebe580f65760faa9bee",
      "randomness": "0x1841a954c70204236de2d8764abe1fa78f2875bf96a66b73c9009874086daf4c"
    }
  ],
  "blockNumber": "7,407,203"
}

{
  "Sr25519": "0x1c6ebfc3ac8fd14b7179a7d381831672bcd7976b6b4d88c64d5b62b221368e3422d9e376131ee7d4361d6e47109240fd4ee8f78d2bac390db9ee7cbad0db0e81"
}