Transaction not yet indexed

y66LPM9TV1SCaGTfvm5Q38zDk3kWgCfSgb2AEFeNpHEEVRquZfQNRUssLU4gLHgH3x5epnabDGveaP9GouCrLsq

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