Transaction not yet indexed

NmkSwEQQMKffZc1UJ7MHQTVfQdpeRnPHx9SnoamvQxKZ4e9w3Gqyee7aHFcB1AXpRVwcLBBnoscPVGz9mhjM8Kt

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