Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,610",
      "signature": "0x8b70d11e7ddd8a0901cad8aa3a6bcca2e4087dffca7b90591c7768dc820fd80ebbb6fd1970a0677d3acb355d0487654b",
      "randomness": "0xff2e71706951bfb3702359d9f82656b59541aff0989b6583133cef94ecc9b15b"
    }
  ],
  "blockNumber": "7,409,238"
}

{
  "Sr25519": "0xaa1d23d35ab701b9348cf77177990eebcf171dc612364251e5bb6d08fe3455037d2f398ef19a1e1c028b3446e35d79d7bb77b94da9fcd6621f4441e2ea600f82"
}