Transaction not yet indexed

1mpgBvuJ2RduQ3ECgrP5LDv3eS2AunywH8kR2MPzij6d6RGEEBv6bYiKiuyfso8oYPo4pQN9YASL1MZb5u337w3

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