Transaction not yet indexed

mpcYzA9MJaMYtxwFg5S7PUgsUbbb3RigaUEP28QBDpgzMtcrkKkLA1HW433wWCJkaXsF4dbjw5CeE2VebZNSkHk

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