{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949608,-0.313440,0.000000,0.000000,0.175224,-0.530865,0.829143,0.000000,-0.259339,0.785702,0.561618,0.000000,-1655850.056992,5016615.410520,3561861.726380,1],    "boundingVolume": {    "region": [1.889560,0.596300,1.889659,0.596381,0.000000,9.744479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1408846.b3dm"}}}