Transaction not yet indexed

ZMkJBRDbMPnFbeMeDuaUdLFAi4gkqCw7v2e3kLxty5qXqVDa4Q9z4e7RyG4WKnQCV6PcF3GeFnKcAAuPwQi57r8

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