Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,659,471",
      "signature": "0x83a5f57d5f3b3e0524e5bf7525fa239a4e795a90cb7db029c2e54d5234bb117381afe14e440b183d09330f67f5c7c95d",
      "randomness": "0xcabb98d653ba896d859c180a56964b58934f1028ca78606861e48213a1221144"
    }
  ],
  "blockNumber": "7,435,172"
}

{
  "Sr25519": "0x749fd64f54cd17f40a3a16bc6be0bd63fcd45d58322ded9ca21725df4b8288065800b36d1272bf37295bf1625e33efb96e2f7d151918f55c05fb12a2b8c37587"
}