Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,634,534",
      "signature": "0x957b2de103c3770296b6a5b7b48fdd6bb60dc202e2d3da8f26fa676df97e0006a7858cbafdc5627310f8adb5894d95e5",
      "randomness": "0x773463e3992369ea1631fb1e3435b92e13687a6b4359607088a1e1586cb50518"
    }
  ],
  "blockNumber": "7,428,948"
}

{
  "Sr25519": "0x76f9874240102b28daf6009deb56450e1ac6b25dcb314443173bffbda22f270bc23d802fcc8fff1c73f7493d354e959b2d09894219132ebad8d560842ee48e8a"
}