Write Pulse

{
  "public": {
    "Sr25519": "0xec788c8b83cf82b619fc794ddede0b9a52fca4e9d161e06d469f12a3ffed0012"
  },
  "pulses": [
    {
      "round": "25,579,754",
      "signature": "0xb38c4ae69d7c5ac2533fefb897f677deaa3fb49608b09ab816c74ef328a26625af01a647937490b18ec17f8945f587e3",
      "randomness": "0x9f6b59368f1bc277653eab82fd03df7b398945e83dd2965711b35f7a18524992"
    }
  ],
  "blockNumber": "7,415,261"
}

{
  "Sr25519": "0xda54f4c9c22987eda4c22b87f96852257663a80c04987fdb186411ab067cd04ce657c023e753943db26b57027e1acc3ef7c921e702d590ed5154946bf4bcca8b"
}