Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,545,261",
      "signature": "0x84a7ad09f0a31e81138a5007c7105533b81514a8034e1490be85729d2988122d4f65cc3bf3386363fa32850770a1d350",
      "randomness": "0x4b14f7204b7efff41ab9f7a8765af4377ddbee18122891438e8455936f06035e"
    }
  ],
  "blockNumber": "7,406,651"
}

{
  "Sr25519": "0x7687a9fe3d758054d50889be24b12b31b23971d115c7b826420dacf47c59882f82863cf582d6687f615d3d73747d0e8b6626805fd3f276809eaf1628851a9083"
}