Transaction not yet indexed

2c15dfAzRdJSBQh1jxidTvfP1ScoMs9sqdBzRbfRYX5oJT1H5zdQAAP4K1QHKLC8R3CPgCu8G4PKy1tALHsK4ue6

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