Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,612,489",
      "signature": "0xa1e3650d79fc5785599be88f5cac5a694e57df5d88f5363780a6fcec6141560caf82f80f6c36518c713d6e4779f08778",
      "randomness": "0xfcc7e3157f1c90221c9dddbfb38c55f5a75023b0e86f20d628e034259604c409"
    }
  ],
  "blockNumber": "7,423,438"
}

{
  "Sr25519": "0xc63d514c22e3c21c1788dd1d394173d35749d26ae706e68fce244cd96e603d4a27230ce8619fe28f93869f5fdca978add891d7fdecf71d74275ef6a2490ea386"
}