Transaction not yet indexed

ngMtdgkPuQbeHEHUhdVhnzPeNYtBrdfitcnBUj4pAH5iv6ZpJtrXTXpZq6yapttkMg4bitdKcPwzZoFgz1N6yUs

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