Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,677,255",
      "signature": "0xb7c68f1bd1444cab7967e230c3f32d07988b978e1e2cd17fac25e7924e7e3e2f3343fadf6f5b748d0b0ba8152a637d52",
      "randomness": "0x34b019b15dfda811a56dd55987e0f4bf237ba9f2bd13d0c57dd9817836aef891"
    }
  ],
  "blockNumber": "7,439,605"
}

{
  "Sr25519": "0x48286c6d4e55a7e52c3ea297115b45a80ea4807f23b08af7d32749a585965e2e6da3afe91aec1a98d66da66dcc6d0edafe62620f867c1a55c46370a101295f8a"
}