Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,569,309",
      "signature": "0x83e7a9eba7ef831e8fd786ba6ce5107cb414ed1db759f36ecb7a01d57a2dfa4ea621d0467813972b3eaaaa95579a2d7f",
      "randomness": "0x8761cf7397992b9da7ffdcce376808d40f0227df835b159d051cf2b416b63908"
    }
  ],
  "blockNumber": "7,412,663"
}

{
  "Sr25519": "0xa6c80413c6d66dcaa7381faf0f9264a59714fa9f264128fda139f764ad8471387a6ba775b57318345da9c0a2c61df89d6d3d19bf8cc4cd40bf824bd070c0948f"
}