Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,544,989",
      "signature": "0xa9a9eb0ff363c32090924aec00b58bbc5716290982200273cb75a1a113e687b49c682d81f308316dc362ac0dc9dd7fae",
      "randomness": "0x62b6cca3e542eaaf572427e8820efaf91c055fdbd54b02a5714fba7e18e1cb68"
    }
  ],
  "blockNumber": "7,406,583"
}

{
  "Sr25519": "0xb4429ba9489cf35fc3db0245987879331e3daf587298a4886a4ee740474b757a045e00dcc0c759f2e3667427e4aa3b33bc2c2abad48d9bc05cbaebc27004dd8c"
}