Transaction not yet indexed

PmNm8MihhQB8C7F2vBpbBktSqy4a7pN2mRpVnB2WAA4TGcv6pvfz5PaqApVVrfQHwkNdc9S5euq5hCmrCLsth69

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