Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBJ/3xkpPeNy+5kNwPmDGhwZb7u06XpILFV1DqcXJWRbCeHDiapZ7dDFdLE… (844 chars)"
  }
}