Transaction not yet indexed

521sJKXqwxURYS8Htq8VChvqr2dxmbAhSBCcPPqYB7Phims7Vn26KLYv9s5BzHmwGZvLthj5VrSCdzHx9386wevz

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