Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,659,869",
      "signature": "0xb578e563799dc0a9d980fcb9f5b3a530541098a575d3840145814c992c939055f32044966f534d4b40ff3e065c40c973",
      "randomness": "0xef1a7625946d699dd558beda5dbbfd10c06e9503ea2e202402faeb4c993883bd"
    }
  ],
  "blockNumber": "7,435,272"
}

{
  "Sr25519": "0xe6cbb338fe4f42ff095c833c84c7f3a75af89fdd7f628b0abba01b5acc055351801e23e613041bec0e4aad51528b51342c0aec32875bc71340d7efd7b066698b"
}