Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDCJCEuNxdf98wDNQU4X+r6chCOG9gwYBqGlPf2gL8Rin7jL67u0P0oD5Gp… (844 chars)"
  }
}