Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDPJbjaZIj8K1Xz2mMcXjF/pJQlJ5c3nHNVsEvmGLDgSV/7+wUBB251aOVV… (844 chars)"
  }
}