Transaction not yet indexed

1UUm7QiE9bc8w8aM5vGBrWRF5XV2KpyPMP8K55bm9bCJeCwhdXBaxUmxui5eabeeiCSYhsuv3jWJRj6QyEiZ28e

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