{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943748,-0.330666,0.000000,0.000000,0.183842,-0.524699,0.831200,0.000000,-0.274277,0.782808,0.558555,0.000000,-1751202.848873,4998080.764897,3542391.566358,1],    "boundingVolume": {    "region": [1.907750,0.592552,1.907860,0.592733,0.000000,8.053803]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/3_1246360.b3dm"}}}