Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,750",
      "signature": "0xb288ed673d486f95991f6bf6b70ffba5b213795fac655f06c5a58617d3d7f3c3953273307f17c2b2c1dc57a5403dfee3",
      "randomness": "0x4bd0c47422ff25ac0f7dbd79e7882b2edb3a26535d3ea0c778f97c32c4b5670c"
    }
  ],
  "blockNumber": "7,407,523"
}

{
  "Sr25519": "0x6873668f7778f7a8303574235f7d2718b2aa1672e28559f2c4061e2d0b02a4666ae0e2b775b93f6e691599e4ba4677a31e19e68f0857e3a9e5d7b003f097d88b"
}