Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,411",
      "signature": "0x96ea045f61729fd83cb036b0a566f4b698c011f33d4913f6369caaee3fd0de56a88eb9256931a52341e193eae24670bd",
      "randomness": "0xa449e2575a904de9858e5e91e84ffb5b30749ca145ba46d1615b034cd4b931c2"
    }
  ],
  "blockNumber": "7,408,438"
}

{
  "Sr25519": "0xf2a474b53e85c15e12f4794cec5f062a5791501d5466339d2c7b07f6b5fec430250e3a919fcbb5a18999a4ef0a9efaadacbb5627a42d50a6a92cd4cb6ebe888f"
}