Transaction not yet indexed

MMLMecXCaawkjgsfjrUNyeWWrZVEDU4VANqgsroaRkSsCs6A3YMXgP2xjPRk7jLQMwns9NM7y7eYADjMabFhpbY

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