Transaction not yet indexed

255nmEPNacyqNFi45uQAujAeDfvMA2DT8CXqsEtpso1ymxQiUZvDwFzxsnHTLS3WESJRq3KgTGi1gHefNen9AUGK

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