Transaction not yet indexed

MkPSt28TJVFhBKAwGMDChkZmsWKUZyAhaxZSScooatAZ8rprckeh5a5Aw8mYBUUqjYH1oDsxSDEXZgKbS6FNXdb

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