Transaction not yet indexed

53LSRMzv1qjDUsUMh121tfaox7ZNETdHnSXvPQBpPUKF299kEXDunQyrKXw3S6cWCZN3mHPFVrrNarHS4w8FFw16

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