Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,557,211",
      "signature": "0xa1acbdfd7d25759adfece36253ccf60e6c154166e9fed7587dfcf2ffa587880f09ca5d555649800c01d45ae2b8ba1a5b",
      "randomness": "0x19611ce93afea6e46d27c56893367041dd7dc86fd55885db91dd9a801bc66f06"
    }
  ],
  "blockNumber": "7,409,638"
}

{
  "Sr25519": "0x7e6f01db155c1d9453c8b2cd46f1655428148f2a3b146538d76c40a77ffe885ad1ccb8d2e1e53eb7bba6d99e6d8377831906c0ce08a340ddb8e7fb9e6fc6c38f"
}