Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,575,944",
      "signature": "0xb975ec21ff390bd38db0cac9f648683335bd02f5fe122108754c18ba012bfae08462960de94de74905d211ab4c80d92d",
      "randomness": "0x943689860b94a6849928d9b9f0cec538c9e6d883088a92804022944e86c39d61"
    }
  ],
  "blockNumber": "7,414,321"
}

{
  "Sr25519": "0xd47a38008140f5b87a15e15fb0680b582b2ac890bc937c02f7482253b4c80d2a493a50fe42ffd76b18b646225c118a37689f2bccb263e389323a4d75b1eed185"
}