Transaction not yet indexed

491UX19cNhesva2RfqB2eczVzgs9Ktmo5bsTWj5inRwBqFvR46oUEZPqnm1TQVX2gCVieo37b5Dt1R2WouG3qpo3

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