Transaction not yet indexed

Sx53A4kADSCaVTZpU6ebEi6DJewP9ZtdoEwJZ6TafGj9xZxdWpJF8q1HqC1jZkhQ8gzVp5R7F1FGeKipjoRPnzM

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