Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDX4iLD8FgaHtBawCnE/XcMdrvFMcXE8K18ZaiLljT3vhvz2Xz0gR8w3WIB… (844 chars)"
  }
}