Transaction not yet indexed

5U88dNxc9uJBrdUtXi416HY8F4r2CnZTQ9jQiptmFqGS3CmEbPLSBc2KbqGPFqXjK481vQqq6idqttq2d1bRJZhD

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