Transaction not yet indexed

518PdAUefXBhyd72kHYZ2dAGc7by3ZPyKRqn9xKmHgyqq7FDotkKChQydvty3dVWSng8mb1NvEbM4kre3FfM9ZX4

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