Transaction not yet indexed

An188fHErpb7y9uy6jELmvrj7wCPrtuHXpgpRFGCaqw14FojvDX7zsPAoHvK7TRmD3K7Nvi7nBq8fbrLLDY2xx2

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