Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,009",
      "signature": "0xb775f3c7d6c2de4fe38045ae677b6c1bde3a03026950deff4b518fd33da113de2cb96f84428dfd112ca387cbbdd6514b",
      "randomness": "0xc26f27fa82b40928e5d6fd7f40be72265d4c0da7fb96a4b0a1acf8ca873ccf5b"
    }
  ],
  "blockNumber": "7,408,338"
}

{
  "Sr25519": "0x58918e9871d90e0351aa70f85ab35f484c8a9157a1e23d90c6fcfb3a043a7d5f90d95f569e798131392974afcf75b299437718c621fa348f8c76c91b8df3ec87"
}