Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,329",
      "signature": "0xa65013a8bda0a4e5f8777d261353b1726a84c5f4d38a6a0afe7c179b8104d151624cbf5d64a821a00753220aee32cc92",
      "randomness": "0xdc04a73849a2be95b2ebd10948510fbb2d859eb70f7a30f41c19da5cf8889b2b"
    }
  ],
  "blockNumber": "7,405,918"
}

{
  "Sr25519": "0x4480e493780a25bc91417d97b1850ab63e025fcc314177d0ce4b643e9879a307b30966471123006c3b9aef654182f270f1ac2bfc6789d278eff6115d2d9c398c"
}