Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,592",
      "signature": "0xa3aa0243546cf7d39b71f08111d640ca109369bf1a034df05df54af204fa59a5b65d3212ab5822c13e863f03b6e1137f",
      "randomness": "0x16f747dc73e09d349de92c7649fb1201ea133fc96f007392916470efb98b98a5"
    }
  ],
  "blockNumber": "7,408,983"
}

{
  "Sr25519": "0x1ebfe5d23d6306dffe75b260770f6eca92a226828c3b30938484a9311fa1367bb69d8f111bafa8ed8e81b243bcc9bc271846c286f865fa305a40ae1027deec8e"
}