Transaction not yet indexed

MCS7z1mM44GPVmfXEV9m8tS4BQNFksXmpWvugvSFcLT44D2LzAEPEKNt4p2Q3ouDv8PYhD3yQLYyCfr4HQtUSF9

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