Transaction not yet indexed

AP4k1fkrpgPET2Qc2bVmCVoVGL7w9HAvdfcMHUYzAC8LCCPzhTpj6y64Z8By3oKXMvgKgXucpDyuSYywEb36p18

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