Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,376",
      "signature": "0x92b15b3e3d500bf4e6f4fe93fb2e09abdee0c100c3623a8178dd937fa035dc361774fbb496a5084609e47537fa3267e4",
      "randomness": "0xdec590bf4e55a536111a03e3fff5943e895bf025e4c5975f36dac242835a3905"
    }
  ],
  "blockNumber": "7,414,929"
}

{
  "Sr25519": "0x88d1204cf59d2bdc49bd114e2c4cb10fee051e760f614f33c293fc0f99741f1cecee587f5a7fcff1719b1ef227d7df5298e0cc7d838ab4733876f00cecbb2f88"
}