Transaction not yet indexed

5n88U3V3HUCE2QTo55Zqq3CqHVjeEDde5rHeemJQNTtELQuVC9bCtSdkx4AoqYQE7W8dby4Uii98zEp6tsKHAnv9

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