Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,556,052",
      "signature": "0xb7a82f6cf88a7babe6b83433ac5ea3bdd78dd1d4a345d563b6f4da149c4b5152513eabfb53506c76800442df8dffd0c9",
      "randomness": "0x76b281e86570b4c91ff2806dbc4539fc067623b1b223341911ec9897c11081b3"
    }
  ],
  "blockNumber": "7,409,349"
}

{
  "Sr25519": "0x20f4d4155c4df702ea60b191219e5a056bd4eb07e2e6caebda1a1fdd2a79a53423594de0d7b025fe0f17da07c2a29b9ea744aecba108aea4de753b794739f680"
}