Transaction not yet indexed

52UnQAdGQuERbZaRSvn9wtgrvkWVRaMUuNW5dVz7EbJHkTfEeDNu71C1ywk9UwiTjzidB6sM9YsXa3XToE6MQPb3

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