Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,547,574",
      "signature": "0x817848f8daae6a85219c049fb389af609c555e2ee22a261d7699f39e8d5434b34a2c8119ae2c408421942dde365addb7",
      "randomness": "0x28a4a5cbe19545a334609182aa9af32e5a06fa3bc2e6d42a019fea0d90f3662a"
    }
  ],
  "blockNumber": "7,407,229"
}

{
  "Sr25519": "0xb03b8f90cfef693356c450699ceac3ceb02cad642fa7aec3d6a7b681e465db56927df292ee90feac3d208fd9776d07722f041350512d02507a04c3f448a3a080"
}