Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,611,230",
      "signature": "0x92a97e1d4e25046be26bfe8e81d3ea5bcb40fffcecf4bb7419266d472c6c63540514a7dff463d7cbfe9dac77131b16f3",
      "randomness": "0xf64090e8d073e0e7124c7ff593f8605a89849a7690f6e564d428eccf601907b2"
    }
  ],
  "blockNumber": "7,423,123"
}

{
  "Sr25519": "0x920ad58a0ae933ec39f24f9b90a549813a7d213e3621c142ea7c8c8e1f37c86804b16fcec73e2053d506826c96c9adf42cead4160561aa57c2def5c99a2c708d"
}