Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,645,309",
      "signature": "0x8990bb4e353eb197a68b45dab4284d3c67546b4f934fb8aa2ea4092b84664fdb4737818347cdd749b7e63e35fab1575d",
      "randomness": "0x4f4b4a9901362a0d997fe6bc4a3cf59b62ac398a70ab2daceafb3ba85838ef13"
    }
  ],
  "blockNumber": "7,431,632"
}

{
  "Sr25519": "0xf0da0817c73b04cc8b5a798c36eda766483fee5c50859912af33f6787a0d87280a557949a5a4e8d73409de6687404f0af47d44813290957c1fe04d98c5ab1a85"
}