Transaction not yet indexed

RE6ZWbPFtYCuEH8hMAqCv3AzURTpJXeAvxG1brHeeeXjkMNHFeV3Hm5yTwdZpvLQXdn1cd6r7YKBNGQLYQc9tHn

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