{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949748,-0.313015,0.000000,0.000000,0.174950,-0.530832,0.829222,0.000000,-0.259012,0.785894,0.561501,0.000000,-1653761.533340,5017838.671545,3561113.913135,1],    "boundingVolume": {    "region": [1.889085,0.596114,1.889238,0.596282,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436872.b3dm"}}}