Transaction not yet indexed

5b99YVmUMzetcEvrs9MYBc5h5REarKc6ibg8wFRYV181P4i2u9MBHMLQbSWsHujMk5kC7bg8csSWxFU3zWVyiPbT

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