Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,638,063",
      "signature": "0x8cc696d10db0bbda8e2a2a099b91762cc29a86faec239ad61bad51f3009f131727d68a043e21a0536a60e99368237542",
      "randomness": "0x0203423376f29d67195ef6ceefc89795ef6abb366646cda5bcca6607a91051a7"
    }
  ],
  "blockNumber": "7,429,830"
}

{
  "Sr25519": "0xd89658b5e04b35a996e700bb2df1a261702b23b71d6359d16350254fc351f23e86d2f1f3137818c58a79d065193a9c50905a64af724e68e8a670788611e55b87"
}