Transaction not yet indexed

MTK2hZ1PcHRiXP9DJYmipeWNxSUFcTsGEUMq79Wz4VVx1U7Y6HBt2oqTpQMQvQpCRQiwf1pF5oTZiEFhfaFCthT

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