Transaction not yet indexed

53HtdYpApqn6tL4inDHzdhaEGu4ySwDWQMzaBEdUXDQLgVfcBcrqtKP9ghSZdyHeuS4g5QinZKRhqLZ6PYXMzn15

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