Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFHAVIJxS+1pFZk9tD5oh93zr13R/AFnSEa86K1QNp+9XSgp1VGHFJbs3Hy… (844 chars)"
  }
}