Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,693",
      "signature": "0x87347443008992c9fe96fab8e5cf3f0ab85e50612acf90357bad55dc706c1eabd7beac55cb055e8b4d41f864e585fc5f",
      "randomness": "0xcb22228b05b9d89144aa4220910d2e49d5152edf1688709b317be3f6f0f25a8e"
    }
  ],
  "blockNumber": "7,414,009"
}

{
  "Sr25519": "0x865e47935c662344e2a3a0720a3d060f9f95bccc2e5e43409779dfbc4a4ee9657812d1fc0d4f914891104b5c00dfaa1c0d990897c4d47cf6dd3f98f035b94a8d"
}