Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,212",
      "signature": "0xb001cff62ac6fb60a4abd5ec9f6c885735a0c2533667ee7d10a91af986a2cca71e6fd05a85b11894f59c3b32a45d2745",
      "randomness": "0x31160843350f35ce318e8fe3cc03031fd63fa56ae9d1e84d2893ebb8ff88204b"
    }
  ],
  "blockNumber": "7,413,889"
}

{
  "Sr25519": "0xac702fcb7c94d55800efc236cdc93fcea91f466e5ebfcad1b33d8c66c99c697104f0dbfec2cfb23dd39e230d74636f62aa387f3c92c7d4a7b76b56bdf03ce681"
}