Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,561,231",
      "signature": "0xb14c9510d15ea3c60c085819db63c3f914b2b0cf81b08edceb0374567f72482d87710f764bd864ff4595812f722f608b",
      "randomness": "0x04fb439638b6e088eb4737a7ca5b0d1870ba69874abbf6a267fb342633b66c8c"
    }
  ],
  "blockNumber": "7,410,643"
}

{
  "Sr25519": "0x2c8894bf8801e940ca5e5eb8672a22e36f3c92b17571cd4f867e102f882e45535e4894c8c55f434c4c702e4e1554191d0068092e7ee318b4f22bf688daac9f8c"
}