{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896332,-0.443384,0.000000,0.000000,0.283683,-0.573486,0.768530,0.000000,-0.339814,0.686959,0.642350,0.000000,-2170381.610270,4387580.427698,4075204.102918,1],    "boundingVolume": {    "region": [2.030100,0.697502,2.030233,0.697621,0.000000,46.269899]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/0_536719.b3dm"}}}