Transaction not yet indexed

668uSL4qBbT7M8aqNwMDsKBZfuNWhBTYR2rXFbNCmufxinsTkeHFdmkuvRmB4XCpCMqvSSs4xFnx2pbvhBpmBXGv

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