Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,672,189",
      "signature": "0xa6b78b6ec6a68d07fe53d49dd19fe6da9ce1c01df199e74e09bcdd64dad9b31e3a6546e4c4d020c79fd7f7e590cb7faa",
      "randomness": "0x7324e6b2e842005d43c44e07c716bc1741470563a5efb48db7189b3fb5745e90"
    }
  ],
  "blockNumber": "7,438,339"
}

{
  "Sr25519": "0x08c41cff6a08692574e29287276e35a896d1b065a10216646ce1a064d4c9084ce0c371c172c855879a907ef520d9fe2fe076dac542a0e70d8af73c68e96e0180"
}