Transaction not yet indexed

Nb99a99dnxiRRRV14JfM2WwbhM4qCv53nsETu4ptW3wWZqVWsup3LRFWHWibu9N2kjYMTKSDcSYmkCqWATMRPT7

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