Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwELMHepwVrHZi2Np9q/4u5keSfxoiCcDgVkCLSq8aJDrjUrfndFcS/+o5EJ… (844 chars)"
  }
}