Transaction not yet indexed

mfEEzNv4x6iX8V6hshx1m4tX2QftpcmmJrwwDuLUuU5F4QnSaHc4NuMh1QdUzdsCtRSWGUcaGvmZCTzLcaTbJ4h

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