Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFg4oukqZt4AP4xRHjnZgAXP5zRg/5XSlD3AxMqmiLZsigLw0+/YPB/NR9F… (844 chars)"
  }
}