Transaction not yet indexed

PLknrN7VQ9CLCQj5miPyaggsCQKEV1SdjPohykS6L2fJmzsPh2K5eMSVo7etWJuW3qB4shpfbjqGnvZyHQytDeV

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