Transaction not yet indexed

53Un2oLWpxYsjbTWd4QLHcywP7z6dfxDPGwjTs5F7mCnr8N1Zu7c3MPscJu2W1h6f4toPSsDUiAajEgUVCiAibkc

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