Transaction not yet indexed

PPNk9BM8YHRXCcpUhpEZ2FPqbFm6GuD2mCPGFsS3tq3WxngXSdpGWZB2gPUpPz5BVGPTvP4rbrBbGsk6D8e9Xe5

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