Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGUEvTb7gjoFDWjm3vSxFLit0ciMu/Lj1DQHP9zVOiZkAEo2UU7+PZBzGub… (844 chars)"
  }
}