Transaction not yet indexed

MnkpRbWYfQDBPrjwxsWf9jgDBJcUS1JEPtf9kGMNFoRRGH7F7mLQrH6Tvkmufg5M1umGc9sVBxKUHMirSiidfhC

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