Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,575,222",
      "signature": "0xaa51d505e0d768fb4d0ca8e467829871829bfd99f1e7f6e1485efbc5f7f3666eacc4132b8cbb29beb78e2507ca5d23f7",
      "randomness": "0xf3908dac8f0625fab3ffca909ee38a5d5cde67e07d27ba57dc49e19277f19fdc"
    }
  ],
  "blockNumber": "7,414,141"
}

{
  "Sr25519": "0xac169a513cac2e44c0f802723936ecfd8457cb60e595d2b18001cb0f99e2e202098b84430baf08c0c77228ae7d4eac5eda3948eee357561bd43baae43e017e8a"
}