Transaction not yet indexed

MPffzbENiagH8gBa9AB2tkvrhqLvkRu6P1VBMgRzSrtz1R6Har1P8prV5bxFCpyLJ4SNK9LV4KCfG9K5TwHJ1mn

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