Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,657,549",
      "signature": "0xb87e140f737f8dffef8cb48a342f81205c7563f077f42e8497ebda2b2a382106fd5a9c0c93e6269e3df1766346faa254",
      "randomness": "0x7c9014b02f3bb6fb9e7c48e13f300a1a7992473751577abe93c37aadd481ff90"
    }
  ],
  "blockNumber": "7,434,692"
}

{
  "Sr25519": "0xd6bfb418d3de7bea6583646956f3f51ad63afe9e5ef01e270d9d63e8d45828619fc316ea008dc2a14d593e6cc82b8169d9293da500114ca2dfb5037eca39a28c"
}