Transaction not yet indexed

MFKvNeLX4ADBeEcE4qExePN2rrH6K6LR6RBKkHUNTQTzXJX6b6utX35ipA8SdFoZFRFuG9t4xPc1mftuZxZVCN2

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