Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,573,209",
      "signature": "0xb6d954f46bf34590df7057947f3b1662547e964a6df262a0ac3f6b504ccef63a8448fd2f72f17330f7e0541528a18773",
      "randomness": "0x766243c0519e2cc0a1dac1f3c23346237bdc648353523c65a8438dd5fd9f14b5"
    }
  ],
  "blockNumber": "7,413,638"
}

{
  "Sr25519": "0x2a765b2fa65e2b2d90f78983838a14767e70844dfead28f78516b5f36e2291169ff7c3143962a4d59c5594b467758f1bb0a21c27266e1bdfd49f73304e3b578e"
}