{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943289,-0.331973,0.000000,0.000000,0.186219,-0.529133,0.827853,0.000000,-0.274242,0.779248,0.563528,0.000000,-1751014.027020,4975443.104214,3573997.857858,1],    "boundingVolume": {    "region": [1.909118,0.598601,1.909263,0.598699,0.000000,8.336706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_657625.b3dm"}}}