Write Pulse

{
  "public": {
    "Sr25519": "0xc410da2eb5c6384db3dfe5239e144da4f63ceaa585bcb7bea113cd12c9515850"
  },
  "pulses": [
    {
      "round": "25,574,921",
      "signature": "0xaf25f076539837778cca8cc54fa8b9290b5eba589e24a1bd340552ae7f08277ba00abcb0201eb5fb01735c33f1d32859",
      "randomness": "0x3843640c7e454cf768e4bbdaed6c65c38b2fa4f4dc3c225f0ba398f32fc4ebbe"
    }
  ],
  "blockNumber": "7,414,066"
}

{
  "Sr25519": "0x388766ce32138082536dc61511cec4696d9e4593fb77f5a84820bf4aff146504b130df7ee5ade8e19e7f7a159359894d0fcab6513a47adb749b64883becb3c85"
}