{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944280,-0.329143,0.000000,0.000000,0.183988,-0.527846,0.829172,0.000000,-0.272341,0.781322,0.561575,0.000000,-1738864.504227,4988645.561010,3561587.764075,1],    "boundingVolume": {    "region": [1.906134,0.596251,1.906249,0.596326,0.000000,8.807398]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_851839.b3dm"}}}