Transaction not yet indexed

5Mfzbb2KjBnpiJSWNsjXZLuQQRsHRAy3EB1cUAd5T3YuUnPkG9HWfMthmEBUaCddAu16RisC1zq1X5DakzWFJDqM

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