Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,552,750",
      "signature": "0xb35206d0e040dbe915059c0b509990c69de815b3069b630c35c000830a00c580d591cddd52fc6193f121fe8920b015ec",
      "randomness": "0x99c0bce60d5f246d3c84fd039f7d7317326db0ba51ed9107aac19251d1963fa0"
    }
  ],
  "blockNumber": "7,408,523"
}

{
  "Sr25519": "0x68a593247e78f77e3b30e3b2ed5e8048ab13b7f81de6e283b63f66b0523f7c315391e5a497be2cb27388be701ce5b9edfc8e538a584b8783b38122ff1111b981"
}