Write Pulse

{
  "public": {
    "Sr25519": "0x5ada7b33a4ed49c65c755d60033de7528010eb5442c02ac5500ed22e567d0b24"
  },
  "pulses": [
    {
      "round": "25,558,258",
      "signature": "0x996399dd9ab8c36bc78de7c597900f286f010060d2fe0ffd9d29e656c76ffdf89d39589434827fa627b251f5e3eb8b63",
      "randomness": "0xb39069fecb71e2bdd6add99f55eb107825554d0669551afd1f1a001885a0c0c6"
    }
  ],
  "blockNumber": "7,409,900"
}

{
  "Sr25519": "0x989198b198089e92e80582b8730d63fecd2916e49ad6b25ba951777bc541f50ba0b80bf610b4436ada4c61caf7b6fd943206d654d7c25319f7d678f9a6f5d386"
}