Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE2IeOtJ4jmvs4FmOF1Ne4VRlSQXi8Dt+ue7l598nj1wiU+g4eGNNF37Aof… (844 chars)"
  }
}