Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,581,256",
      "signature": "0x8943c7b14855d3a5494e04fa0d6188101349b449d73545a0f1d668bab2b746301c9a95db9873ce2eb7d32a0274e13f33",
      "randomness": "0x698a974f507c0139e1e729dfb1524b9b294bfe9651daf1437860208aae1a315b"
    }
  ],
  "blockNumber": "7,415,636"
}

{
  "Sr25519": "0x7cdf674be2b491d179291ecd40a4e1f4139a71f4b3853820b60dcf5f0725bd1cc416dc45429a0b82d700a96ed92a1d144c9f78d9fb597bdeda96e9ebac290a8d"
}