Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,553,742",
      "signature": "0x82bba20225c9b8e996beb964b051e7484c188a9548eefbf09c0205def7684831a65bcd3db69169c6fbbd57b6f62c1909",
      "randomness": "0xebd29132045208690345b374bdb956a952863a562745681054fe9fcf7d39814c"
    }
  ],
  "blockNumber": "7,408,771"
}

{
  "Sr25519": "0xccd03fbd5808d702f2d4c6d509b1b871d881f208f99aa497efbc765895408e1b9f82c65076317553726518cf823e14a987a546bdbc9710196fc532cc90f20883"
}