Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,568,935",
      "signature": "0x8bcb8ed9b7bd1454365520d680a79ebf2c666a5e66bbc052726b2316a28a9f53fa67c1265aa0bc41801c297c963e628f",
      "randomness": "0xf8f03cbf3709455ea891da6e570a886a7f6524687be5c98347d6bc2bae7b7de5"
    }
  ],
  "blockNumber": "7,412,569"
}

{
  "Sr25519": "0xaafc5b4e6bd596d59dcacc582b25476d408a8939dffa4c1957f68e5633932c00932268ee63041e2ef924be98026a20f8ed591389f91b36967e314c1215ac9288"
}