Write Pulse

{
  "public": {
    "Sr25519": "0xc410da2eb5c6384db3dfe5239e144da4f63ceaa585bcb7bea113cd12c9515850"
  },
  "pulses": [
    {
      "round": "25,574,923",
      "signature": "0xb69844f6ea6b0ac71412be84d53b5704596823624bc5295db02f80f16646f1956367ec9a7613780655a7627b4bf932a8",
      "randomness": "0x1cad8197659f6b9704d7918055865052bd6b5cd8ccf7e6a2ab80bf1b745aa040"
    }
  ],
  "blockNumber": "7,414,066"
}

{
  "Sr25519": "0x30f5950318bdf9428de37a2bfff264370a2b5d048f629895e21063ab92c3415764b071ef81472998e1a9e4d2f7356cf9b1b4c8afdce141d0876921b1f862a689"
}