Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,552,971",
      "signature": "0xb2fd033e789b0b6459692686e8f677a163e84937f5985ea8cf2792f8e88f965f7e744c2e0329c0109be611ac88b5778b",
      "randomness": "0xde7acf5e38c0ecce60a3870f00a2af25008a660f0175868c78171d3dcfa40559"
    }
  ],
  "blockNumber": "7,408,578"
}

{
  "Sr25519": "0xe0ff24725820876a35b7a46f270e34025f34d66c49e7d240199f06aa948fdd2b1349116b35087da79cc7f4d0e3a961b23eef06fc7eea82a9cadb1aa6efca288d"
}