{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895828,-0.444402,0.000000,0.000000,0.283937,-0.572363,0.769272,0.000000,-0.340926,0.687241,0.641459,0.000000,-2177474.841024,4389367.084404,4069530.461052,1],    "boundingVolume": {    "region": [2.031248,0.696344,2.031357,0.696452,0.000000,41.832949]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/0_639747.b3dm"}}}