Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,546,192",
      "signature": "0xb9a306757c3dd3e7aeec48b862ecd4b90f7c91dede29f6d395ba96617ea70ab2904b5f2a2b393e36abcfa1e2f34ee76b",
      "randomness": "0x2f163caabd5d214f8e8ba33f4f1eb5a4d2c43a226699136ec9fcf5e8ac923334"
    }
  ],
  "blockNumber": "7,406,883"
}

{
  "Sr25519": "0x98fc668420ceb6a72c20eadc160a0d85c0faae959c7cb8e3876211e088718c2f41080924eecd03a822049ec1d30f3b0402a3d4e82c99cdc93a16be4715317280"
}