Transaction not yet indexed

NMnT2n6fhpd5eC23sETtVqKhmFYDJpZ2aMpFCfbMsAYtPXSpW16ArLc6bAfeYbkYV7GxqbQwbgZUbC37L4GMRqH

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