Transaction not yet indexed

MmdfQLqGHyMQgkBqsV1E2pdNmHBoMyTxUXvUxUkfV5Un8TFT4wqciYcL5JEFis7T7dr59UresKvwLxAm3G8NyM5

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