Transaction not yet indexed

MnKDfyN3r93NMRo9c9XNM6ZfAkCMC3731X9CopAMyKud3fLptwBdYPEhHx4eXq5Z7EU4kLc4aHQsDE8rZdcBLW9

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