{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852819,-0.522207,0.000000,0.000000,0.269536,-0.440180,0.856500,0.000000,-0.446467,0.729127,0.518692,0.000000,-2850195.814722,4654664.465154,3289103.961396,1],    "boundingVolume": {    "region": [2.120144,0.545235,2.120323,0.545405,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_148646.b3dm"}}}