Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,547,472",
      "signature": "0x88818c1e9f446e25c9e8da78354179ee637b4b86cd08a7c5de47073b4558ef08c46f7889717dbc8aa8cefe0930dcfe37",
      "randomness": "0xb5d2579b461c09849accda7fbb5f4c8e0b29d64872490c59f8aa0224002a9561"
    }
  ],
  "blockNumber": "7,407,203"
}

{
  "Sr25519": "0x82e454b2e750c559f1264ed211d28a7b93d2557c9805993f71ad5c33e4a2591a90ab9842d0eca060fb86b0ce27ad88a1ede1710682e94cff00220d144e63f080"
}