{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894793,-0.446482,0.000000,0.000000,0.284605,-0.570376,0.770500,0.000000,-0.343073,0.687551,0.639980,0.000000,-2191174.234422,4391321.520603,4060121.249901,1],    "boundingVolume": {    "region": [2.033559,0.694409,2.033693,0.694534,0.000000,41.161486]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_983336.b3dm"}}}