Transaction not yet indexed

2KMemNdhKy69tgcv3yj1uhxHqpUpibS9W7u2WFPm5g5mHGq4ZSbmSwb21hFSw4yphyQ9TnNoGrZHEsAdbFbk4Zxn

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