Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,552,853",
      "signature": "0x8771b27c53fdc8ffd138e61888983edc6de35aa710e9a816ac31f78bcc681254a059fb545469f55cb4d11dd49b21f6b1",
      "randomness": "0xc759430d43fb3803596d2baec5b9aa11d4a4307afd1c02e3939c72551acc58fb"
    }
  ],
  "blockNumber": "7,408,549"
}

{
  "Sr25519": "0xe20244f030598b97e8cc87c93ab6b121c2cd7a5177c070aa81fa5dd15dd88f3f790b0c85322d8987e26f63dcc2448fa95fa8c13d04fc82cc09bb3e60e218fb89"
}