Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,553,631",
      "signature": "0x974f77e9d3b6a6abddd8771853cf00fc3842b2cf102e14190a389253d34e6107df23a97eac7500a5214e2fda27d09c16",
      "randomness": "0x34c20fe14f4444e61817db01490fd63d31cc98ae9b19748f6130b4126808aa99"
    }
  ],
  "blockNumber": "7,408,743"
}

{
  "Sr25519": "0x6648b916cb93712985d3b5a4dbcbe2554f69790a61d0ff221dde9a0e14c19a7694378508aa66f605969bdba2096f69794bc3927eaa6ae346c8aea2e2a7faae8a"
}