Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,554,511",
      "signature": "0x8b8b8ef42dcdd617ace8807945bb385f62309470725c81a31c32f4382f0cbda8d98b061e5e87ecb5d3a9d88c76d7837e",
      "randomness": "0x3895e0bfa2daa86aca2bf2e6a377dd71594e1a2be6ebd83c238da62b3ce35c2a"
    }
  ],
  "blockNumber": "7,408,963"
}

{
  "Sr25519": "0x74893ba04c008a5bb74e3c86c0821946c3a0f2cea8caf11c76d374acf401df4551152e51fc908e062576cee804cbcf95ccb57ba0e613e747b799ee71e5c9e384"
}