Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD8YMmGdFOf2SNx1dYfwi1Qfx8E54J7cL/GX0EAOOuCoBa0qT5ML4VJtxGt… (844 chars)"
  }
}