Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,674,909",
      "signature": "0xa6af8924c53f92a5d2554ad4871002b74c2e2fb05bed7a648539ce816eed7727476b17f5b75750e1cac3023216c8229d",
      "randomness": "0x1c8156691e5c1d5ac046498779123d0a11ed4583537b96a40b9ef2a8bc05dfd9"
    }
  ],
  "blockNumber": "7,439,019"
}

{
  "Sr25519": "0x5c7379aec1125585c118785966a6a16ad9624392c5a6728b85a918b13f0d7321b87235fedaa8ac547a95e4bbe228c785d1df0b86bd2d0b819047dcdf1eabe78b"
}