Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,832",
      "signature": "0xb540bb8d48c6f586891ea8e31589c20074953afdb6a82c56d80f0925eecb1c4a7ba6bedd2512a3a606a08d35fe920123",
      "randomness": "0x6ff0e8fbb0f783773d23c400ade3234d5bb3116f97d9dc17064b8565bba5419f"
    }
  ],
  "blockNumber": "7,407,543"
}

{
  "Sr25519": "0xea476055c5e175d7ce7f9a79a77848cb9ae938f0f4733bbae7e628c5e197f52fd91fdd9651b85387c123f971d92404a9873c2a3d027221e12720daea91c8b187"
}