{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950189,-0.311674,0.000000,0.000000,0.174275,-0.531307,0.829060,0.000000,-0.257852,0.786104,0.561741,0.000000,-1646352.858462,5019183.434927,3562641.020353,1],    "boundingVolume": {    "region": [1.887674,0.596396,1.887826,0.596581,0.000000,8.803817]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/3_1398208.b3dm"}}}