{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891051,-0.453902,0.000000,0.000000,0.292157,-0.573530,0.765315,0.000000,-0.346409,0.680033,0.646186,0.000000,-2212540.344077,4343418.428912,4099602.928382,1],    "boundingVolume": {    "region": [2.041889,0.702532,2.041984,0.702619,0.000000,8.294685]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_2045334.b3dm"}}}