{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896528,-0.442987,0.000000,0.000000,0.283436,-0.573625,0.768517,0.000000,-0.339505,0.687097,0.642366,0.000000,-2168403.714970,4388465.344454,4075303.499582,1],    "boundingVolume": {    "region": [2.029640,0.697507,2.029809,0.697656,0.000000,43.897738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_505774.b3dm"}}}