Transaction not yet indexed

53NGaTpK8FDJrYs31Q2z2ZJd16c9puuCSpVXQo6G6f9wD3HFPELSTm6xPgm8QQgt9FNvq8v1sbnaDbbW7h5LdMT5

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