Transaction not yet indexed

53UUG845kHAeqSL59ZsRvih3i6uo5hwe1yW7rwL2wYuGgqnhgCwRrfPxmpbfgCKsEzh6SZngdcJjZcSpQQF8UtQ4

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