Transaction not yet indexed

53a1k6JA4dbvyTjKLRW7V51PxkrU7rhxFwbg3g8fuYfkcAxmSLQfiuvdVvXY8EKYeCrkRLDy3zZ5NA3Rn751Xmp2

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