Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,602,271",
      "signature": "0xb40584933d607dafcfc86638f389716172d1485b5959001133e3bf0ee7031aebe6d23ffc0a047965a2521521bfe16c8c",
      "randomness": "0xc7bcce8aef78d4fc737695581ec1ef4b7d71dea87b72357691086b6692f627ce"
    }
  ],
  "blockNumber": "7,420,884"
}

{
  "Sr25519": "0x9414de1145a1169904bebe9e7da59884860111010ff9298b1af0e38b092160563aa2041b2c26cb0be1ad64e033e9a751977a7e851ad48492e874804f16257585"
}