{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898805,-0.438349,0.000000,0.000000,0.283084,-0.580445,0.763510,0.000000,-0.333744,0.684319,0.648323,0.000000,-2131663.597174,4370836.712672,4113199.093530,1],    "boundingVolume": {    "region": [2.024474,0.705320,2.024639,0.705439,0.000000,14.368120]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1843741.b3dm"}}}