Transaction not yet indexed

5mb4AAXJ513a6abwjXpeGg7oy94KoDYzy2w8dThw7N3QZyhf1prc52rRHJA3SoTsS1f9PC3QmiX6AZbk8tyMbs1i

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