Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,934",
      "signature": "0xa229650c7628b59deea1d2575797cb8ccf205b55ae7bd992a5a1fb69f0ebeb39911217666f122235f60ba0529c0d1e75",
      "randomness": "0x20cc17986c2477675e7bd1f6b3ba0b2c18db502dd4c970695deb4fb8f414df37"
    }
  ],
  "blockNumber": "7,413,569"
}

{
  "Sr25519": "0x18b7d2553ba1005938646040d63e10e09edd68fce071d8d1f11be602dd338e2b7bc4f2f68ffa67556b640d517d8ba149a83dcc237d05ee4c7ac3067e0bfb1b8f"
}