Transaction not yet indexed

MAm8YChCqiPRS4TWzpA9TMMLuNNWUcJ9QxeghSbqcXLZU6Kb5ZwbpXVdbRX76TFY6bipeNPyxapLbwHmZVb9VUR

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