Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,574,189",
      "signature": "0xa3289e9a3cebd6d4d32a94276bbb8c96fc11b5a6e082c36fa2ad3ae84836334ebb9c1ea5935466c87f8bcde86d2ac4e7",
      "randomness": "0xaf5b4bfb825957c86d832520d7a818395fc5e641371ad932871e119d550cae5a"
    }
  ],
  "blockNumber": "7,413,883"
}

{
  "Sr25519": "0x74ca283f32a0ef213851f5b0263812a31803df41d4722b7cc63f128db6588c24ce93e050de0afb8311713b1a93ebd4a8e33b5721f9a3b76bbee86b6fd4cfbf8f"
}