Transaction not yet indexed

NGP88uhEMSAfPTEAPv9cgkNHjk1ApMBxvB74pw5Xxk9j6yNxMVoh6zNifdC2bx91ySSAkqEgvpRd2ueVpc82Dh9

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