Transaction not yet indexed

53SbRMXxDXJfdsyv5E5cRDpr9ZCnhU8KRjg8USkkfdYBs4eZ4gdC1puFGoZv74juymbAfFFL6oTSHjd3JC863bm3

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