Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,544,615",
      "signature": "0x99e9346e93b23e4088a35a3b05df0eda1a37bdd5e6ba0924f50bd48382b66de9676c91aa3fbf2950e8e63e3e0f6c1fe9",
      "randomness": "0x73f869643d852955363964b499d25eac4850979ada096c05b72e9cec1b85204d"
    }
  ],
  "blockNumber": "7,406,489"
}

{
  "Sr25519": "0xc87018c1da069260859a989df4f28ff129410b772fcbede69967f1ac831ce30dfcbf8a194251f9b6472a6f59069d996e335721fcd7474cc84dbeefc184244c8c"
}