Transaction not yet indexed

53Si6WTjtQ8ppk8P3owZZb7CCBUTRiZuufTb6A8c8bKVEiQg3UqDHSDzh8dXTUtgVefa9k8ubSHPHSUVFPH1vbeR

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