invalid transaction: empty message
invalid transaction: erroneous json 'opt-in'
invalid transaction: erroneous json 'Opt-in NCAHXN-5SPVRV-ZX4YCX-O77MY5-LR7D3V-CWMNCN-JZY'
invalid transaction: erroneous json 'Opt-in'
invalid transaction: erroneous json 'Opt-in 3018.39058 symbol.xym'
NIS address: NCVUXYOBXSQCC236YPCVJUNHFA3MTENIXJH6ZPVO already opted in
NIS address: NCVUXYOBXSQCC236YPCVJUNHFA3MTENIXJH6ZPVO already opted in
NIS address: NCVUXYOBXSQCC236YPCVJUNHFA3MTENIXJH6ZPVO already opted in
NIS address: NCVUXYOBXSQCC236YPCVJUNHFA3MTENIXJH6ZPVO already opted in
NIS address: NCVUXYOBXSQCC236YPCVJUNHFA3MTENIXJH6ZPVO already opted in