fix

app/routers/put.go

@@ -5,10 +5,12 @@ import (
 	"net/http"
 	tasks "queues-go/app/storage/mongo/collections"
 	"time"
+
+	"go.mongodb.org/mongo-driver/bson"
 )
 
 type PutRequestBody struct {
-	Payload          json.RawMessage `json:"payload"`
+	Payload          bson.M `json:"payload"`
 	SecondsToExecute int    `json:"seconds_to_execute"`
 	Delay            *int   `json:"delay"`
 }

app/storage/mongo/collections/tasks.go

@@ -24,7 +24,7 @@ type Task struct {
 
 type InsertedTask struct {
 	Queue            string     `bson:"queue"`
-	Payload          interface{} `bson:"payload"`
+	Payload          bson.M     `bson:"payload"`
 	PutAt            time.Time  `bson:"put_at"`
 	AvailableFrom    time.Time  `bson:"available_from"`
 	SecondsToExecute int        `bson:"seconds_to_execute"`