Write Pulse

{
  "public": {
    "Sr25519": "0x0addb25b0d4e9de244b714f767f5a052ff4c2e94375cd38fb23c319771e29a28"
  },
  "pulses": [
    {
      "round": "25,550,220",
      "signature": "0xa4a9eb77b0f022c9dd0527cbab812c0fb205d55f7c2497d1f1d225c84c87a3181513be8722432916f62a6bc7aa22e472",
      "randomness": "0x66178ad200ca63151fe1de7fdf6de15885f60894c1c73e7c5ceafef161f9af12"
    }
  ],
  "blockNumber": "7,407,890"
}

{
  "Sr25519": "0x6eb96c660dc24b2d3d5a1c83ea26d8ba9339b1eb2a3873e094459642341e9d19d8289de34098409882537182b50ad9178f9a7248091feed5b7051783b7436386"
}