Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,548,972",
      "signature": "0x91646d3839ce401c6b65366018477c5cd93cc48651bdfd085dc494e2dc84f5caa61204a1d999d0ecd229687cc9abc83a",
      "randomness": "0x7313b1277809180316976dcf4be2489375f7839190c035a3627cbd92637dc1ac"
    }
  ],
  "blockNumber": "7,407,578"
}

{
  "Sr25519": "0xb4321a9388e54cd8a71336a3e3e0c08c6c037aa2f4b1720c4b5006eddbc6f3777e258866b974f28055a6d22f0c935004bcf0b4a4d76eae4f29590fa6b03bb78f"
}