Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,352",
      "signature": "0xb1292f894bde63ffaa114e07873c795d640dd17a7f149ff9d4a50f5ac5c1e4c45e6c504c48e47fbcc5151d5f05098a4f",
      "randomness": "0x9166f0d4b993e5e8f1d08e0f5b8843351e86ee4d9cbf1b8ef8dbdc119eb9ebd5"
    }
  ],
  "blockNumber": "7,407,423"
}

{
  "Sr25519": "0x8e17ccc963ffe65f9686acf47ab4a845ecad3c56f68850f7aaa5c7f63a0d3572f395c8aaf24e6b73f41370cdb4e800971e9039c54130598a3c321390409f6f80"
}