Transaction not yet indexed

56REXyWmhzkboqiRxAsDUG274SRLJok5XnpSsxUdRq3qcpk1LYHUsnXsoXEndQn31V5zDEQgE4Da82QFt5uKQgkT

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