examples/signature/signature_test_public_keyset.json

{
  "primaryKeyId":646750478,
  "key":[
    {"keyData":
     {"typeUrl":"type.googleapis.com/google.crypto.tink.EcdsaPublicKey",
      "value":"EgYIAxACGAIaIEIs3tw3rSEurK2p7viSBrJb3O3lVRog5ne+AyaZNqPDIiAHjPik1A9RID5nZsNGfBWuT2FYMm7Hv5Wtx9jeplxslw==",
      "keyMaterialType":"ASYMMETRIC_PUBLIC"},
     "status":"ENABLED",
     "keyId":646750478,
     "outputPrefixType":"TINK"}
  ]
}