Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,540,693",
      "signature": "0x8b24c6677fdc6710d103cb21c92c305be359bee7ddb23422b01478d5e44b5553f251777d329dfc8ee268d5ec7ac71a6d",
      "randomness": "0x60a7e3c74add9e84e42f1971401183f77bb885c58dbf7b61976ac062060060ad"
    }
  ],
  "blockNumber": "7,405,509"
}

{
  "Sr25519": "0xce8685e45809a7d7a611f27fb33a332a4b00d8ea626bb498bbda687c918d293e7cb6f011ca909ef1800af67945999f90dbf44ce3fb75180889ed6d3dffc89c83"
}