diff --git a/src/Eth.php b/src/Eth.php
index 29bcfad..e6e1ff9 100644
--- a/src/Eth.php
+++ b/src/Eth.php
@@ -128,6 +128,13 @@ class Eth
                 ],
             ]
         ],
+        'eth_sendRawTransaction' => [
+            'params' => [
+                [
+                    'validators' => HexValidator::class
+                ]
+            ]
+        ],
     ];
 
     /**
diff --git a/test/unit/EthTest.php b/test/unit/EthTest.php
index 04d69b0..dd2fb08 100644
--- a/test/unit/EthTest.php
+++ b/test/unit/EthTest.php
@@ -405,6 +405,32 @@ class EthTest extends TestCase
         });
     }
 
+    /**
+     * testSendRawTransaction
+     * 
+     * @return void
+     */    
+    public function testSendRawTransaction()
+    {
+        $eth = $this->web3->eth;
+
+        $eth->sendRawTransaction('0xd46e8dd67c5d32be8d46e8dd67c5d32be8058bb8eb970870f072445675058bb8eb970870f072445675', function ($err, $transaction) {
+            if ($err !== null) {
+                return $this->fail($err->getMessage());
+            }
+            if (isset($transaction->result)) {
+                $this->assertTrue(is_string($transaction->result));
+            } else {
+                if (isset($transaction->error)) {
+                    // it's just test hex.
+                    $this->assertTrue(is_string($transaction->error->message));
+                } else {
+                    $this->assertTrue(true);
+                }
+            }
+        });
+    }
+
     /**
      * testUnallowedMethod
      *