Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,558,328",
      "signature": "0xb2eb503fb440b07900de5f3c93ae3e80234ccd915c9be4ef9e2cddb1ff52376a401ac7ef23a87a7709841acf87c73e9b",
      "randomness": "0x02553261297ace8cb2c2020b67174a7512121b5816ca160b3db568bb29e59614"
    }
  ],
  "blockNumber": "7,409,918"
}

{
  "Sr25519": "0xde957d1bc5a889321c2cb45a71fb996b6a4cadd56742e1fb96a3714180b0247ed13cf6c9042c1aebf0509b27573aa17fe7e57332ff5388c36d9c0d8fb1138d83"
}