Transaction not yet indexed

2156eUna6RNo6oTU4f1p3QJcGacJrVrnwPyiKmCujYAkmokHQkjKww1BcdFXR8L4mW5aJzster3X7tk2iHUSZ7w3

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