Write Pulse

{
  "public": {
    "Sr25519": "0xdafb18cfc59962b92ea75a32675f6c9360b3fbc8de74df96e4223788aa2df10b"
  },
  "pulses": [
    {
      "round": "25,552,870",
      "signature": "0xb9778a099d589e1abd5ab7928cda8ca297a6f4230d0b9f05294679be60890b6d044dd8168f55ce924fe07132451623e1",
      "randomness": "0x298536da4fb28c5b753f597fb69049fb1886f8e696ad48f6730cd646c59e424b"
    }
  ],
  "blockNumber": "7,408,553"
}

{
  "Sr25519": "0x8cf77c5084b0503cdec68979ebba2799bd0df4c73e009476ccc73f54d79474733bcf41a89883ffdcd0fc897ae116adcff90ae67ac2ea1e991997f915a2d19b81"
}