Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDIHqRHGZl0nPbxh2vvVGAH92ZDK2Jl1HL4Uf6OPi9G/H4mU9EXGh5Rfytb… (844 chars)"
  }
}