Transaction not yet indexed

U21Fx6pLxKW2eiBf9r1KNGucByG6z7BHV9FbouYz65kvMs39fn5zTtjGSBJcdFxzYxfbMv4UoidKRmTkJBc7jzR

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