Transaction not yet indexed

53o6MfQSbRhgFDU3XNaToWusVztJA9ow6P3LuCqoqYWVTskTi2UoVYTAdUdtxeo1TQjLiHqfgsZDXTwcT4cNHc45

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