Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,612,649",
      "signature": "0x8ae48a8f99547863657752701c5921166633f39e077372cf0fe04bf944beda08942f3887c5194835370cdf9fca621d50",
      "randomness": "0xc702f773b8909e1af53673bf473b34124e53c99aee53c22c23753dc720f8ce73"
    }
  ],
  "blockNumber": "7,423,478"
}

{
  "Sr25519": "0xe8788cf6e4096d39514948adf92ad04fc2a56a5839f022cfb27ebd8f7e0c7c5d6a9dbb2c6580eefb643a4d3c2e5b32f870b3c04f492f9cfd8d49e8dc3d44078e"
}