Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,829",
      "signature": "0x99fe7a33ecadef8572400cd1c0e38c020ccb8732d1aa6491513d86516a26a420d3e01a76843612cf495aba904abd9e03",
      "randomness": "0xe4c267e5872d0467f647829e5944b86a6f2f8c0bbe7ae6060bb6dcabe60ea3ce"
    }
  ],
  "blockNumber": "7,407,543"
}

{
  "Sr25519": "0x5a53e2bca3a0971ed7169c4f2752e705a469e90604d32d6920458f0986769d4ebecd1bae82fdf39c63dea32235aac2b2e013d1be76e9f081f68c2c1682f5e88e"
}