Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCgn3IcVqXmuJwYGvl3nz/cR9lm4XMCASEQnhgI8aPOUmzEu7pSNBFTLvgu… (844 chars)"
  }
}