Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,591,851",
      "signature": "0xb0142c35cd5797c3a7d55291161795a3eb24ad889e23ae55429466e21790f2e686fefc02630d50acbc9ad4117ce5c62b",
      "randomness": "0x7a5b768015ed1314dcd59ff65735729e389a8956dfe74c26c968960c0899ed42"
    }
  ],
  "blockNumber": "7,418,285"
}

{
  "Sr25519": "0x12e46cca3ba5938dda29ad5dc8460262edf35e0e8d4306757bcbac8b865a6f5ec1b892aa066256f43032f4f815e883d2f63edaba59f8b3274fcfeeaff3d61086"
}