Transaction not yet indexed

5a99d37LWUcmGbPCfpzo1DWVzS5ExXMoutqx7xCFbqYHJc4aapSDgvQu8hTxSvRRo9pXZCYbjZYuPJ4R8YM5nGys

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