Transaction not yet indexed

MyMwzKayLmUxEsVnAMAZEfAU9BnhNJeQQnn7TEQZhd4NRCcpb2s4kPQ9uBpyuwiXfjULdWxs2dAFAQp6KnnNejT

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