Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,643,982",
      "signature": "0x89cd98e8af9bccb09d6f68ffa90754e724564ecc8758ba35cece2b11b32884d5e6eedd229314b8292143252210d6620e",
      "randomness": "0x890c1ad4ae26a4b88a028c4c0d68a226e22785629e2bc9d6036e3065b39c208b"
    }
  ],
  "blockNumber": "7,431,300"
}

{
  "Sr25519": "0x848f2052c1364c8b20fc67654dec62de5b50376961d011472d43e64cad33c520233029b6716cf408234566f006c35c6cd92a3501fb12be1568c0a0cc26f0978c"
}