Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,604,055",
      "signature": "0x920c88deb2fbe1e272a396494e945b91593f29a27c5cd220f54b4d5e6c56944f4807e178f4b9c1864d0bc6e2843fba1e",
      "randomness": "0xef0b3036e03bfa272108793675fe89dd1af7316b304ca90b2a9e1eed206b1dac"
    }
  ],
  "blockNumber": "7,421,330"
}

{
  "Sr25519": "0x4685df52b75c527780306396683c5ec91d77df2043dcb7aa7505ef96eda1af74bc73204560a3ec063eb730da967c3e619875ad6cc6954dd0037ad810b1ea9289"
}