diff --git a/proxy/http.go b/proxy/http.go
index 1b662c9..bbad602 100644
--- a/proxy/http.go
+++ b/proxy/http.go
@@ -675,7 +675,7 @@ func (p *HTTP) execProxyJob(job *proxyJob) {
 			job.log.Error("Failed to proxy the request", loggedFields...)
 		} else if job.triage.Proxy {
 			metrics.ProxySuccessCount.Add(context.TODO(), 1, metricAttributes)
-			job.log.Info("Proxied the request", loggedFields...)
+			job.log.Debug("Proxied the request", loggedFields...)
 		} else {
 			metrics.ProxyFakeCount.Add(context.TODO(), 1, metricAttributes)
 			job.log.Info("Faked the request", loggedFields...)
@@ -706,6 +706,7 @@ func (p *HTTP) execMirrorJob(job *mirrorJob) {
 				)
 			} else {
 				loggedFields = append(loggedFields,
+					zap.NamedError("error_unmarshal", err),
 					zap.String("http_request", utils.Str(job.req.Body())),
 				)
 			}
@@ -767,7 +768,7 @@ func (p *HTTP) execMirrorJob(job *mirrorJob) {
 		)
 
 		if err == nil {
-			job.log.Info("Mirrored the request", loggedFields...)
+			job.log.Debug("Mirrored the request", loggedFields...)
 			metrics.MirrorSuccessCount.Add(context.TODO(), 1, metricAttributes)
 		} else {
 			job.log.Error("Failed to mirror the request", loggedFields...)
diff --git a/proxy/websocket_pump.go b/proxy/websocket_pump.go
index a5502b4..5293eb9 100644
--- a/proxy/websocket_pump.go
+++ b/proxy/websocket_pump.go
@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"encoding/json"
 	"errors"
+	"fmt"
 	"math/rand/v2"
 	"strings"
 	"sync/atomic"
@@ -246,12 +247,12 @@ func (p *websocketPump) pumpMessages(
 				}
 
 				if err := to.SetWriteDeadline(utils.Deadline(timeout)); err != nil {
-					notifyOnFailure(err)
+					notifyOnFailure(fmt.Errorf("set write deadline (msg_type=%d, msg_size=%d): %w", m.msgType, len(m.bytes), err))
 					continue
 				}
 
 				if err := to.WriteMessage(m.msgType, m.bytes); err != nil {
-					notifyOnFailure(err)
+					notifyOnFailure(fmt.Errorf("write message (msg_type=%d, msg_size=%d): %w", m.msgType, len(m.bytes), err))
 					continue
 				}
 
@@ -261,7 +262,7 @@ func (p *websocketPump) pumpMessages(
 						attribute.KeyValue{Key: "direction", Value: attribute.StringValue(direction)},
 					))
 
-					l.Info("Proxied message", p.prepareLogFields(m, loggedFields...)...)
+					l.Debug("Proxied message", p.prepareLogFields(m, loggedFields...)...)
 				}
 			}
 		}
@@ -314,7 +315,6 @@ func (p *websocketPump) prepareLogFields(
 					Nonce: tx.Nonce(),
 				})
 			} else {
-				_, _, err := jrpc.DecodeEthRawTransaction(strTx)
 				errs = append(errs, err)
 			}