{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950352,-0.311176,0.000000,0.000000,0.174039,-0.531525,0.828970,0.000000,-0.257412,0.786153,0.561875,0.000000,-1643545.889103,5019495.801692,3563491.140273,1],    "boundingVolume": {    "region": [1.887151,0.596558,1.887303,0.596743,0.000000,8.695765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1328419.b3dm"}}}