Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,534",
      "signature": "0xb63ad5ebe4b1dea9c14d493c8beeeaae24ce922d6d06ed5cd8e48962d308b5b66ea7e29f4889f1db0a20491079ad17f4",
      "randomness": "0xb871a31fd20e369727acd2d67082ec3edf469a83c78455b0a9b61dd26d284e5d"
    }
  ],
  "blockNumber": "7,413,469"
}

{
  "Sr25519": "0x0e7f77ed48483a11005374c66c6ee2112ce390f4462f333c3b55fe7e7cbff862f18a6a5f737c17e5e33f3d492de3b79e0b27608e3d22cc83a4049d0505079086"
}