Transaction not yet indexed

ag2421ZMcZwVkhcT3d8CEzTuqtcBt1aSjwa251gBSjBN89q19cgWsyarWwGKiYPEyzKmeFdVDQ5qEm1ybWosk8K

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