Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFqif/Ze8dF6AzV3Xz3ncXPOd4eBCwxJc2+Z8OqhbTKW3W3ZoHQqcxnqBla… (844 chars)"
  }
}