Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,632,489",
      "signature": "0xb6b34583c2ad69ffdf3ddc3f1c50f013f1c86c8122c83b34497735dc74b288f9c17c101763fbd271ec924754800643b0",
      "randomness": "0x96da28270490a05e2cec49931e381d0ab2e9596e5df59d7bec3894efe404b7ce"
    }
  ],
  "blockNumber": "7,428,437"
}

{
  "Sr25519": "0x72745200a7d9757937b31641a13ce266acd481958047071437a86ae5e13eb7466d155dbb726ad84dc27eb44e037f6a12cfc43ee576adf16f593d40020f5cd086"
}