Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,590,693",
      "signature": "0xb08cf24d9d8db942cff93a369404bec7ff75682061a44b89f0be7746eb977695f03f03e7bba3f22682dd7204b0d1ffb8",
      "randomness": "0xaacc89e8b369eeabb19099d0431f6ce9a92801387b2d7586073402ae6ef2b6d1"
    }
  ],
  "blockNumber": "7,417,996"
}

{
  "Sr25519": "0x0c3df919f25e43974ab902dce4638133fb1fb3dac173377fd10ab947ba9fa36d85ba8d7ec5dd81fdd3c7ebe56d178c5215d465c030d2453d756737f319aa9c8f"
}