Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,650",
      "signature": "0x98199be1493045b996106bf8b986beb9bd51e0c4f79f1f2b472c0bb7ed992abdfaa1ae09d8e7b7dd7dbd6d86fda6349a",
      "randomness": "0xa0541366cd5c979920fb37001cf74b7468dcb862ea09800e0348f530a579567f"
    }
  ],
  "blockNumber": "7,405,998"
}

{
  "Sr25519": "0xf63eb2b16e5d9be365748f72962e699c90b063cef153b16a84b7013f23a5c043d1575451b349ca100060be0d948859a0ca3b946fef41e17e287db727636d9d8a"
}