Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,555,788",
      "signature": "0x988cc3a77be2e307912bdc31bdff91d40c243d3f6f51cfac04c684d32ca0b56c246d5f46403e6a63221127126ebf52a4",
      "randomness": "0x84a90b37699a7df4e8f3aa582cb40d8033a66d269fa96aa28cbcef639e773dd3"
    }
  ],
  "blockNumber": "7,409,283"
}

{
  "Sr25519": "0x76e40976b8564a7033bc55bba3b8dbbd04ea96d07978c6a39933a9a7d7dded496353696ff281ee4fbc3ce61055b750c6fe71b5722be5146fc56e8d69174e1d81"
}