Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,570,212",
      "signature": "0xb3339fb34dac55ae9424bb1f78796ec00de1d3c23aa151f802cb29db95453a736583b534fac75ec9dd9886efec940f3b",
      "randomness": "0x7aedd67035f2e9bbade7c82d2f0afacf301c5bec6aabc97a2cb2584d70a64c1d"
    }
  ],
  "blockNumber": "7,412,889"
}

{
  "Sr25519": "0x9c6997d763296cbd4286abb0804c40590568fc7d2437764b67805ff86e26804cd732d19ea4064c40c4ad998034f3fc75db131347358175b7a16e22e8570dc684"
}