Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,533",
      "signature": "0x864b5513da49f4fbcefe8618fcf4033e0223ced8c8646bf8d8e9cf97e295c8ab96eb8d33f5f2bbf5ac26213057f4cd5c",
      "randomness": "0xec64c33f506945f64d48ccbdf219cc0df9c88f65a3807f524ca9bd41ef41b6d2"
    }
  ],
  "blockNumber": "7,414,969"
}

{
  "Sr25519": "0x22c0be380343443582352fe6e1b015a221013d3dced99c6d674c902b33358d67ff95ad9a4429b9f2f77b543a9fe06871a6094ec52a63dd6b3f17c6f2dd071d88"
}