Transaction not yet indexed

WMUhKZ2PCKpSLgRAUQzQyMEGaBgkRKDeNJKXJcSpWVPQeKVYaSdTU2kWKvKVRsnvtWMmLJ58kAH4DueZMypACr5

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