Transaction not yet indexed

52MDZkfRG57Zk78PvxPeGqqCw92Qd1yPGLCefGRaJWjZtTweZxWZ6kPFm9d2uiQN1PxbCLS1q31A6nXx4h4aFabG

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.