Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDH0QFTD1A3Yjns9w8IP2lEpb9RhVd7evZfc0sMFUK+7QFEKLZNEwk4qzbO… (844 chars)"
  }
}