Transaction not yet indexed

66ubPGdB96JxHA7hUkd4etNgUQNaqdTFBmBg9qpcDmmdAV666oWrp8Z8WESqwDv6kK7ZxHZdeGaoDHvyWG15fvvb

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