Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,603,016",
      "signature": "0xb3359ce2ee2f5234233083eca913758c6ee16bd78150d2eadcea75b7139cbf64d0e27e12ee9df79b18f5a93e2980e0c3",
      "randomness": "0x1d0a2f954a0a0dc885017221da5d09026d041999d12cadc8af12d55863d0c3b6"
    }
  ],
  "blockNumber": "7,421,070"
}

{
  "Sr25519": "0x86219a50aa9915ee9fef66a808e05e2274ccb840a6e77548602f3054721377124371d39cc81432ac7f0916607b05c82665982f0007688131363799bb08d02180"
}