Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBw5wsS2ugHMZJlGJRZoE0Rp/N2uEStbNBNSs3FaenNRiC9f8IA26jhfaP9… (844 chars)"
  }
}