Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,543,849",
      "signature": "0x8ba5569555d02cfaae2921c1ead5593f1898e36bfad23789e995dc0f73a56a7ddec07c2516825f5a28ce7a1b1ca6955d",
      "randomness": "0x5dd97eb43ea94afd21a2853e23d10206c7eeee62235e78f9c23ff573ea2e2b1e"
    }
  ],
  "blockNumber": "7,406,298"
}

{
  "Sr25519": "0xc8cbd725f6328b66e04eadfb878d4cef69b18979c4efc866e78e05761ea5da02cc73d68d5f8b787648969008dfe8a35e8bc77aa5015f21d16497687323ec3686"
}