Transaction not yet indexed

MnNNXkZwn5wi8FWe9GgKvKmZfSaAte8QDetFc8K6zwkeqLL1HhJBULR8xLcGzyDoEQoWhBVfDUqytoFDTRkNEbE

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