Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,557,771",
      "signature": "0x94791557b33667f34588f46be2fc953c79af3bff973abb782be1e408ce0e31459c39d210d7d47289e7757c09a2d81615",
      "randomness": "0xec48c8683203eb7c770d98bbc5d63ec958f84acbba32bd390ea391374b8197b8"
    }
  ],
  "blockNumber": "7,409,778"
}

{
  "Sr25519": "0x6041a74514f0edf471fe07eeee5478fb1597c342f37428ee4e71249d3700765de7982e661297aa4799882aaa52bd5070b0b45ff392333e1258c5096f734f4e85"
}