Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,555,849",
      "signature": "0xb38745ec6a92c8fdeed9c9d599df6a9423223fba21943fbed67c4274effc9eee0e3dd6a5df78aec53a6fec4eab50a82b",
      "randomness": "0xf16bf52384e304a5125957b620018388d7c1056f184dc2fa57485d35568e84ec"
    }
  ],
  "blockNumber": "7,409,298"
}

{
  "Sr25519": "0x56355a6a465dc4f1b2c34389ecf477ae347cf8391cadb338909097802dc3fc2e177515bd689346f597b4e201d33bbf9abf6f1b62e4825c99fcd81f2ada83778c"
}