{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949334,-0.314268,0.000000,0.000000,0.175686,-0.530707,0.829147,0.000000,-0.260026,0.785479,0.561613,0.000000,-1660232.361102,5015192.874567,3561825.267275,1],    "boundingVolume": {    "region": [1.890433,0.596293,1.890531,0.596374,0.000000,8.672135]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1338345.b3dm"}}}