Transaction not yet indexed

5mkUbaXjnCZPE8wTPy7fEmAJdAcMt99D66nhc38FAesh8dsrJuVkqxQ7WakbxhqCGhKgus2L8nPQLT8n7GASCfP6

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