Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,578,773",
      "signature": "0x99031a6c30623a7790419b07e46718e42b8817d26c696d4cbf5016c33ef8520632848160b89d96f6e21f016c7aa72e14",
      "randomness": "0xb52f742982927c9cf2cb85060ef6869afb6fc9cff74385c8a1fc5bd7a3cb5fd7"
    }
  ],
  "blockNumber": "7,415,029"
}

{
  "Sr25519": "0x8647176fcfdd11fecd4f401953b20551cdcae583d595df4ce76ba63370d97667c163dbcea2442e3f59a96ea112831cec2028430dde5f4a3c7e93b07720560387"
}