{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943933,-0.330137,0.000000,0.000000,0.184223,-0.526734,0.829827,0.000000,-0.273381,0.781657,0.560603,0.000000,-1745501.144771,4990766.825022,3555405.809147,1],    "boundingVolume": {    "region": [1.907197,0.595056,1.907293,0.595171,0.000000,8.309376]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/1_1276812.b3dm"}}}