Transaction not yet indexed

MkdCfBwfgDv2ScfQpyFXfZ1imHrf1wjASNbmXSm5aFjfia9a4Gv5bVGG2bQYQnSjrsZnd6MXb8QZ7jkW2SDSDi9

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