Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,579,709",
      "signature": "0xa33d592cd042aba59850ebac19904dd84a445712e8c42a4a520563e410d48bfcfb4b3eeead2658a9e65fb50cc6b1d25b",
      "randomness": "0x4e50942f663e64a02a71a044260d85939ded966c1e56a82bd9e16fc0f6a98dcd"
    }
  ],
  "blockNumber": "7,415,250"
}

{
  "Sr25519": "0x487c3b599dca08215ace99aa60f1598eab4aca28c8aeb7f54e8171d7db6fd01262f0c6c28ec7927b6e3450eaba876af66636584017174cc18e94659a0c059685"
}