Transaction not yet indexed

MNkvzPRLNVbqhbceD4QGcuhu7ofqJeLhCMhDGbJXeFyg3qkLn5MZd8QGHNmg9Zy4ME1FS7wQSKMsoPQ7jEHRPVv

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