Transaction not yet indexed

556FKL67bSVM5CkpX3HSujgYnp8npU4kBqADitKJX3btFx3dWPd8rCmSjeuPavJdfDyUh8uVnEX9yN2esxxNPqe6

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