Transaction not yet indexed

UCKb4bjLPKZEWPNBHTVJcurxTMrp1A1XwCiyS17hZSzNeJXNVW561bZSyh4xUHW9oW1UsTemPNvBcNT4n525Pm1

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