fix logging level

apps/explorer/lib/explorer/token/instance_metadata_retriever.ex

@@ -70,7 +70,7 @@ defmodule Explorer.Token.InstanceMetadataRetriever do
     fetch_json(%{"tokenURI" => {:ok, [decoded_json]}})
   rescue
     e ->
-      Logger.error(["Unknown metadata format #{inspect(json)}. error #{inspect(e)}"],
+      Logger.debug(["Unknown metadata format #{inspect(json)}. error #{inspect(e)}"],
         fetcher: :token_instances
       )
 
@@ -83,7 +83,7 @@ defmodule Explorer.Token.InstanceMetadataRetriever do
     {:ok, %{metadata: json}}
   rescue
     e ->
-      Logger.error(["Unknown metadata format #{inspect(json)}. error #{inspect(e)}"],
+      Logger.debug(["Unknown metadata format #{inspect(json)}. error #{inspect(e)}"],
         fetcher: :token_instances
       )
 
@@ -91,7 +91,7 @@ defmodule Explorer.Token.InstanceMetadataRetriever do
   end
 
   def fetch_json(result) do
-    Logger.error(["Unknown metadata format #{inspect(result)}."], fetcher: :token_instances)
+    Logger.debug(["Unknown metadata format #{inspect(result)}."], fetcher: :token_instances)
 
     {:error, result}
   end
@@ -111,7 +111,7 @@ defmodule Explorer.Token.InstanceMetadataRetriever do
     end
   rescue
     e ->
-      Logger.error(["Could not send request to token uri #{inspect(token_uri)}. error #{inspect(e)}"],
+      Logger.debug(["Could not send request to token uri #{inspect(token_uri)}. error #{inspect(e)}"],
         fetcher: :token_instances
       )
 

apps/indexer/lib/indexer/fetcher/token_instance.ex

@@ -72,7 +72,7 @@ defmodule Indexer.Fetcher.TokenInstance do
         {:ok, _result} = Chain.upsert_token_instance(params)
 
       result ->
-        Logger.error(
+        Logger.debug(
           [
             "failed to fetch token instance metadata for #{
               inspect({to_string(token_contract_address_hash), Decimal.to_integer(token_id)})