Transaction not yet indexed

AMcmyRpTKB8J7DAiApconsXcHCt7yZ61Cceoi1icHPU2KWQWL2yWt5CU1asgLP9j6aayJZhkrk1MgFzSQNBG1tY

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