{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896346,-0.443355,0.000000,0.000000,0.283756,-0.573680,0.768358,0.000000,-0.339716,0.686815,0.642556,0.000000,-2169752.740411,4386667.153383,4076513.122697,1],    "boundingVolume": {    "region": [2.030068,0.697770,2.030201,0.697889,0.000000,47.596735]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_534077.b3dm"}}}