Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCsIlc/ZEbDZILIJev//xhjakJ+3ZWWcepqCOao5qrmlAHZcXvOP+/Nnz+8… (1,748 chars)"
  }
}