Transaction not yet indexed

2n99UKXfoGth5tUTtZQLnUC1cdjxmjR88fRQqtRPddoeovLfVXTm5w178Y71zbrRzyPGAT6PLEDtbLJKE3mMzab8

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