Transaction not yet indexed

2555jNBpXdP2TDX27RHGgSjVXaT3d28T98qT7K8YELPezMMGYoqkKu8BK3aXWiypcxBcsFVqrXPVoBsTCmuFqDc8

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