{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896883,-0.442267,0.000000,0.000000,0.282321,-0.572524,0.769747,0.000000,-0.339500,0.688479,0.640887,0.000000,-2168359.939843,4397262.577812,4065896.518081,1],    "boundingVolume": {    "region": [2.028830,0.695597,2.029013,0.695710,0.000000,31.543337]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/1_453088.b3dm"}}}