{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895886,-0.444285,0.000000,0.000000,0.283940,-0.572556,0.769128,0.000000,-0.340772,0.687156,0.641632,0.000000,-2176492.706954,4388824.679323,4070633.266280,1],    "boundingVolume": {    "region": [2.031118,0.696570,2.031227,0.696678,0.000000,40.258738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_623529.b3dm"}}}