Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,696",
      "signature": "0xa9ed6be8742866ea60a19f7c7e634b5cac9f344c75759b259c500ecef6ab8816d9256fc8949a236161767390132bfbc1",
      "randomness": "0xd74e146ac0ec1c9390b2d2a3949f4139f4dc1baaca8dce36a70acc4ba023e521"
    }
  ],
  "blockNumber": "7,413,509"
}

{
  "Sr25519": "0xfcd0ad9fb7354204d17b8f3ae192057090318eb012afee05ead61978452b7f46602a63cd1100834efa03254ddba68a825a6a980c49bbb0d3214543ceb496a688"
}