Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAJcyXW0wvu7AXPGPz2eXm2Xk1z10AXdaPwixZVarXQPD+iUAtSvQOyB9vH… (1,748 chars)"
  }
}