Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,627,334",
      "signature": "0xb69408a05886d8a9c865f81db516bc31052cb1e9535290fac507c521a0a179bf225ed349fad2c396fed2abddd6dbe53c",
      "randomness": "0xf81e462cace4ae49053bc127a72bc5a8b5af6e7efa2c37dd31b8c076a86513a8"
    }
  ],
  "blockNumber": "7,427,148"
}

{
  "Sr25519": "0x2ccb78b5e92ed9af62ea4cc3fbbfd63617a1e08f2795f91e429b3da06d5bf57008d27911fbb82204e0cddc2cddc598ea3b777ca0d28d735f3bd1dc3ad819848c"
}