Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,268",
      "signature": "0xb17e71e50704b9fbd8c298a4857657b5c56a426461bef6c5277df0f9c8976a0e0cf8e967528338c7521e8a7032c12fa5",
      "randomness": "0x9e1e268ee006ef7eb347d323d7b3058f5ab051cbef6afb19f4dc9e98a948eed3"
    }
  ],
  "blockNumber": "7,407,403"
}

{
  "Sr25519": "0x50f3e90568f6d7e941c7860e88ae758023a5298ca462b7793fbeb0bcac03b7150b1d602b957304bc8b30855298ae572c772c3a2c3e829f599e9c7ac33e032483"
}