Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,548,272",
      "signature": "0xa598ff04bd6923140d8b2e26d5fdf73812092b1064be5adcecf3a61689f3af98951d5bc38d9289e6214d0e2e2774f446",
      "randomness": "0xebbf163c1f47e5bf94cd571d18a19e1a1fbc95c4e647455c5ef038996134d73b"
    }
  ],
  "blockNumber": "7,407,403"
}

{
  "Sr25519": "0x6844afddf7c9369f72e8e886fae17633c3b8dbdb8924740bb451fb6712674d1b8c1633b809b88d188b0a6f7b08abdbc995a205496116b80ef8913e4775bb3d88"
}