Transaction not yet indexed

53bu3YiLxzz9c336UsgqZ5sJ9QGqqZT76Eq4FssTHWdmxdDD6mBn21TgaM9T7zmqgPXkZp2y66T1Z7BZpWEGGpUY

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