Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,570,089",
      "signature": "0xac25abb3c0b7be9d2385dabb66fcc5b8b1319de7467f747d66726d3f80ea15c75f1667617c31428cb622d2e9bd820d90",
      "randomness": "0x847b21249cc67a8a684ea7234aae5e9935831935e4f29080a1d149ca8f900ed0"
    }
  ],
  "blockNumber": "7,412,858"
}

{
  "Sr25519": "0xc8043947130b9cb4d7024bb1e5ca0d2ae7bb8cbf2de6396697a615815abe7176878e98a1a689473d29ea6dccb60411be942d33ed9565c7471fc6a7d169c8c087"
}