Transaction not yet indexed

AP91kiTbCNJsZUmVLxzT3exyP9X5u4uDYckFbX5Upxu169kMZR2y72N5vrdPN5ZUuBS7ZeBquhvDJW8vFkApbir

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