Transaction not yet indexed

1CKf6zkbuvQHQfp3bYGmignVYUYotStDPJipidH3eRUWFXssH3HrKxu36wqJfDnCXMSMBgwyScVx2dkA6m37cpZ

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