{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898375,-0.439229,0.000000,0.000000,0.284004,-0.580885,0.762833,0.000000,-0.334115,0.683381,0.649121,0.000000,-2134044.995952,4364856.540278,4118277.269018,1],    "boundingVolume": {    "region": [2.025486,0.706391,2.025587,0.706465,0.000000,5.539470]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1818135.b3dm"}}}