Transaction not yet indexed

MRmMvSDiBisykAk8AdwrvSqoRr2LpLJPKoNRFYJZc8TY7ZgBTSyZmwcvt9gvE45CJoUnsTwUjGN9NDWydaPo1ym

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