Transaction not yet indexed

21AZzErmXzYVkVTvcesP6vzHuMqVoRfoVaa7mqdToWE7Cp2DQvQeCGRiyFXsGfxmyxkeP9FBscs3UZZE8X1EM6VG

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