Transaction not yet indexed

SM99YgPvkSLmpDx2SaPfzuqMhTpsKca6FWoq79eZLeMtoG6yHUufkJvvTGJsGP8nBZhA1GFERSpLy2DfcAkwYKS

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