{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950484,-0.310774,0.000000,0.000000,0.173495,-0.530626,0.829660,0.000000,-0.257295,0.786922,0.560851,0.000000,-1642791.498081,5024387.724845,3556982.809670,1],    "boundingVolume": {    "region": [1.886753,0.595355,1.886853,0.595471,0.000000,8.795505]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/10_1451013.b3dm"}}}