Transaction not yet indexed

53SfCVJsUPF2RZTdJjpXGxqHBMThH9wWkUjXAv7VSrMPNaKMFocjesFcHeYB7L3kVMPSFT6qDUwEjnqPDRfynDqk

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