{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943941,-0.330113,0.000000,0.000000,0.184315,-0.527040,0.829612,0.000000,-0.273290,0.781460,0.560922,0.000000,-1744922.431526,4989514.760908,3557432.950809,1],    "boundingVolume": {    "region": [1.907172,0.595441,1.907268,0.595556,0.000000,8.816635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/5_1311297.b3dm"}}}