Transaction not yet indexed

HMXuhW4DPftS3cD2x8w8zgntWtPD6dAWTc8PKNvdiJB1oP6cSrZpNjuhExiRHK63MWVTdcCAkuUPfrpfcT57Mv1

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