Transaction not yet indexed

HF2UgCK3LagpLbsaUdmXFSaS9LxzKs7Gn4vdKYuwkeu8dsZfXQTuzTMaA4VQ3o2ZvGzuWMW9tGfR4Zr2kT7ee66

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