Transaction not yet indexed

21kPMVYHAQJnp1D66T5Xk4nY2LqfdNt6sCXZwh5MEYUzheSy5rcMfVmVmFmC55FL8mnN7nayZax3qn4gR6EY4SfZ

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