Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,546,052",
      "signature": "0xb990482fe1185a2b113299afce6febb4103429f382a9d9a9b54d8e18e6a3857904d965457895e233b338d3c92d163b53",
      "randomness": "0x03aa038f2e576b35fcde9fce28206700afa26504cc300dba748b6663d886d634"
    }
  ],
  "blockNumber": "7,406,849"
}

{
  "Sr25519": "0x7eaff7e9ecbd624c967385b7ebea329efbf7c91637911d2881708e092cff57465ed9f39daf66096e660cd8275f21e284f9cf2afe8d430b4f1af60c9c6f2a1989"
}