Transaction not yet indexed

ampMMVC4tfwxoBfdNEpTqYYAr7DQ9g19u1YCbo5hRBFm7BFy3ZgxQC3MF7xujhTK1VCgZVMCS6AdujngvaFN2BV

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