Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,569,552",
      "signature": "0x90986428433a5db520addde6be750f2593ffc766ba7ad11c2740b6486aa800ed0280c8f0ac3a087540ebc2b55d8205b8",
      "randomness": "0x5d7790de1242c0978201538f722a21e9de3254958f943a41dbcc72efe38a3010"
    }
  ],
  "blockNumber": "7,412,723"
}

{
  "Sr25519": "0xee54a791917c267565274e82940d66c2318a75f8e9e9d7b49a73b7f70428066ea2387100913a6c37154486fbe095546a2f2f364849fab747f4b0b83657174a8d"
}