{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943304,-0.331930,0.000000,0.000000,0.186085,-0.528829,0.828077,0.000000,-0.274282,0.779474,0.563197,0.000000,-1751266.803203,4976875.872782,3571892.692834,1],    "boundingVolume": {    "region": [1.909073,0.598201,1.909218,0.598298,0.000000,8.759725]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_568506.b3dm"}}}