Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,689",
      "signature": "0xb90d4409912ca2d0ff614911f77e369c8273363943f97eb6231a37f8f430181d6b36c028d1a978c281c1b2e84c1ca85c",
      "randomness": "0x6e96e1141c4ac86f72da2c8df6aa354c73749f1c22868c998581f11c4dfa47b1"
    }
  ],
  "blockNumber": "7,409,258"
}

{
  "Sr25519": "0xe8eb288905221c54810f893ec00d80f78d8315d09f1ceb382e103d7a0d607b0c315b110fec072ab70828438ddd19d93892f25f3774d413db263edde5817bb388"
}