Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,682,669",
      "signature": "0xa6fd51b760d0a4d4bfa0ef836305cdfc34672819a35431b318b0650f951d0f06aaf85d094ed8519a8d7330fc17d3a025",
      "randomness": "0x9ab7f7fe7e27a8079e5a2df604cf39d95dfa1813401ffb8da73b9e08ed043276"
    }
  ],
  "blockNumber": "7,440,954"
}

{
  "Sr25519": "0x8e2ae8883dac93472b1d0b641d509916f89b4b95b8a894ae4cb269adeaf9ae7216d07d336bbef7d30df4701dbad6ef5f340114fd9acd8ac2d51fc8f11ced218b"
}