Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,584,854",
      "signature": "0x8027271f64ba017ca65e1a94964e4efdb86cbf2e46230960df054de335f18e4c5e1949f54028695520d4c585662aff49",
      "randomness": "0xca431975ee53258944f4be7276f5c3cab935420b9fa0ff404219c0b3a6f2443e"
    }
  ],
  "blockNumber": "7,416,536"
}

{
  "Sr25519": "0x4c81ab12c5c96c317f52c64141baa229f3c1637095555f129cac625846c4c34482bf1450444bb0cdd5debd2a098160850a4a8091e1f382e417ab80eeca62e084"
}