{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898007,-0.439982,0.000000,0.000000,0.283859,-0.579358,0.764048,0.000000,-0.335225,0.684197,0.647687,0.000000,-2141117.895603,4370041.604441,4109158.609444,1],    "boundingVolume": {    "region": [2.026308,0.704434,2.026441,0.704657,0.000000,28.436203]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1850461.b3dm"}}}