Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEmWzA7Ap+GFhSvez9M+vu5qS3Ye9yUwWBvp0vqjy9hfzvayQA2K9fQEUuI… (844 chars)"
  }
}