Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,563,550",
      "signature": "0xa452a50994441c5bc655f46a2b29cb2f4cb6806f6350b68c31657eedde321c12ce6a099ad5791f26b0096c1fa83b6497",
      "randomness": "0xa69450a9851314020392482372f7223db1f147f0de88eac379143c60470ce57c"
    }
  ],
  "blockNumber": "7,411,223"
}

{
  "Sr25519": "0x329c69014a8ce8c21aec1a922d26eb58bf3a8e2893e18cbd864be8ff3593ec03b0c1f4b1886c82b5826b916dacdf6292c8ae8ca6755bf600d90c54962fe3df83"
}