Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,538,950",
      "signature": "0xb624e61e0dd2a1a39869606e72eabdc61625f67b61549ad7daf89f12f0d50e8a2adeff807e2f82cdd81854208b5b1378",
      "randomness": "0x2290d4812508e0554346ecb50a74c55755fff348ee3b070c72f5457ba9b6547c"
    }
  ],
  "blockNumber": "7,405,073"
}

{
  "Sr25519": "0x843cfbfda95ed87cf751dda57274f61999e62168c7c6273dd4f5e9aa9fb76675d8c78f6227361f52e3a9e5e5b464dfb21174802b26d8527613e48dd15510c78c"
}