Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,557,849",
      "signature": "0x921f37964fd424ed1f85e4326c0813fa77a14ca6a28916d5468edaa559618bb8048229fbb3ab24da207516688ecdbf8a",
      "randomness": "0x68d72a3aa46dcf7d0a0bba63c80d76bb1b3dc4a1cd8e579e20c56d1a2a08667c"
    }
  ],
  "blockNumber": "7,409,798"
}

{
  "Sr25519": "0x96ad7258f672e366662f39f78e2239459a9d686662fbd0f835309e9f987ac157ac5207c9c40f9cec8adf0a25deb979e91f96c671c28b7412339128f2f150e284"
}