Transaction not yet indexed

Y16oAifyfeLfxXwzjcHSLhEj9shykrkcV9zDb3daZXzD2bW28mkJx7ea3tQV1aWWXtnPtw8qNhhEr42PD28kFi6

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