Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQF1r1g3hmI+Kvk78fOF9nGXFEi+m4qtwcaa1Q3Zs9bnWGekn9Xb+SxOA1CK… (1,748 chars)"
  }
}