Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,597,013",
      "signature": "0x80f788389d35ae5ecc462abf69c026796992d43826f16a90db8cbbe48b1ada8f3ae725526b639b6224b76e5ccadf03c9",
      "randomness": "0x4a7b19fe96334a2868543d63f5fe2da143620217a7a3331b1a2343b980438101"
    }
  ],
  "blockNumber": "7,419,570"
}

{
  "Sr25519": "0x1c61eef35c3cefd651782902386284911c60eaeddf91732b4aa0fec0c1877174521ed65ff79b64ba5c9149a1edc70c59c794162a7bc08bb57f89d12e33688e83"
}