Transaction not yet indexed

66hUUXUBQYxTzUAc2ufP3BUdoEgoPiU4nSjPHRg9DFDgJD6FT2UmoSK6iwXqNLHCdDDvpAUP4QB5MT1T5pXELq17

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