{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898002,-0.439992,0.000000,0.000000,0.281314,-0.574149,0.768905,0.000000,-0.337381,0.688578,0.641900,0.000000,-2154835.414870,4397911.707031,4072336.093626,1],    "boundingVolume": {    "region": [2.026340,0.696945,2.026433,0.697001,0.000000,66.052069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4_751607.b3dm"}}}