Transaction not yet indexed

53NiugRzCfP5yPQ57mRGKTVNqvCUN2BD7CX99iECZiYWbAwgHgMg8oHQfHA2Bb2AjzXc2my8P8eJJCeKJa4mT5Tb

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