Transaction not yet indexed

ymNECi4euNhn2iVHpqJUsiTRaf1YfgfqAcCjf4frVh3b6qJNoGDyXzo45BypQ5JNDYg9uzCznzGn4rmdc2DeW5h

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