Transaction not yet indexed

5Xk5nmKyxsmBDFrp4qWNtdYCvTg8Z9Ltv2bnQ18MLrtGCs2s9SX6Wrb1tSERYE8bzqc3fbZiVY4ihC5MPX61Fu56

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