Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,553,981",
      "signature": "0x9485be70a589206b6909baec2b48c65ed292eb97c5406b6828ea723acdb09126b0ed7f4e55a8be2abd881510484cd165",
      "randomness": "0x430700da0237823a95e80490df43d942a16983056989248d5da0d53c409d6ca7"
    }
  ],
  "blockNumber": "7,408,831"
}

{
  "Sr25519": "0x90f1361f1f7c1b1a58280f431b6d768d769a396deb4f5bc748675ea68ab44b46239e93eb2d6f6d213947da4ce39b74c6f362cfc3325a46076793d15af5f28382"
}