Transaction not yet indexed

2C15tWVwHhbbmxQuT7z29Qm7pYgdsCCCEAvUe9HrQ9qhcqSmHBZ8CjjTbdvJfgWs9WSXG8N6guF4eDYnGD2iNzvD

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