Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,572,374",
      "signature": "0xa83d6fa97b7ce3cefdd3c372a3db454017174f437b63ca3b7b976677d062b2fa7d03e3c15d6bce610ff34c867390b6e4",
      "randomness": "0x0d188b6ea283003c2ea463a5c9e0b065c031325a83a39af896e1f5a9b864e32d"
    }
  ],
  "blockNumber": "7,413,429"
}

{
  "Sr25519": "0xd4be70f905c40209e1260a9a70a32cab5e9dfd0ebfd7bf149b29b9fc578d461178d37a617912426d470ea7e57a04ca79d94a9bfc431772107a784164fd8ec485"
}