Transaction not yet indexed

2kkC51NfDsqHnrnMrnm68xeBk2anybycSaZBQuE1L5HkV1kvkxvFBZCLdKmsREHGUuKJXHExdZ5sPbH4FDENbye7

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