Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,612,572",
      "signature": "0xb09c16a885bdc960866c916dbf538df14025dbb48c399d90c95cb10d8e386963588636e06f1d07d8f3b05d94228f1391",
      "randomness": "0x8bde03f245a90e89d0d839e3ace7801f80cbb073c791547af4a0232ff5d37dda"
    }
  ],
  "blockNumber": "7,423,458"
}

{
  "Sr25519": "0xc0ffd7ce8ee99287c16874e78ea28c73bf04ee3ae3483e2224eabd88aab8726cbd4c8fa8377ce36ad7eda7e1dad50aa5366876673b853dc6ac9148048a93388e"
}