Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,934",
      "signature": "0xb462e6c69f5e9747291375cd833326fab4a6d91225f4a7f5d532c30b7277c40eb81e83004864759d9d5e8c176ac9e5d6",
      "randomness": "0x898860a303b0b304f019ec6af5a892fa2c967c17c9e951e5c9e1d08bd46721fc"
    }
  ],
  "blockNumber": "7,415,069"
}

{
  "Sr25519": "0x584f2df1291a153c99a90e3c627f975a7f2b632c9479650854911c112404de4d18f1ca9f384f830215c08049385247d3c735f001d8a66257670a3014a4938385"
}