Transaction not yet indexed

unDXNH7AXx2Wgo3QF9XynxeB2itbHkV5yp7CmLW6qjqA6XPsDoTBfCyydcg9oBuqRUEVRSESpNa8e9FCWSyQp56

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