Write Pulse

{
  "public": {
    "Sr25519": "0xe4cfd1cbf31f6bfac188943a61e8e4d47aad1c362d00cfb56c5c8b83406fd04c"
  },
  "pulses": [
    {
      "round": "25,669,544",
      "signature": "0x81f299ebd4d6a2a9183f5eb6c20e2a104609b77e92315217b0a055f4f1f2accb39098c3f81fc915bf753a6f7eab7d76c",
      "randomness": "0x69e38dbaa31797e7bb7b1c2a86ba306789a52e8424e92971bbc09aa3b2678bac"
    }
  ],
  "blockNumber": "7,437,677"
}

{
  "Sr25519": "0x20379c6a6968cf4754f92437ca8fddf6c7c7a9a80ed7d55e13cb9476e6cd537458db94d2483b4070bc9f8981d359e74320789f64baa5f8a20bbf10d77115e784"
}