Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,587,734",
      "signature": "0x825269c47b3abab771501fb2cf3b540ae2c7840edbcb263f33533ef4745874c730dc042c526652fc4e6d186643b7a550",
      "randomness": "0x4564289f9a47bc7517a023d365b430081300105632d18b9304f18f963b0cb5ff"
    }
  ],
  "blockNumber": "7,417,256"
}

{
  "Sr25519": "0x9a91ff58aea24ec08fa4305ed0942a23932afae8a7359673b4ee6b26837fe84521338bd178170e18a5ebe0a9ee9dc4680aa733b0910f2ec7dfa263201a260a85"
}