Transaction not yet indexed

43X21TbGPJ9M5QTCBbdAAAVmTx54zhLDvR1gjbCJsmyNnGigT4Zqboq4NMqMFj8wvGa2R5E9Ak4PwQo4KEvcm5gn

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