{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852835,-0.522181,0.000000,0.000000,0.269476,-0.440113,0.856553,0.000000,-0.446472,0.729186,0.518604,0.000000,-2850229.700828,4655041.456665,3288544.786346,1],    "boundingVolume": {    "region": [2.120114,0.545132,2.120292,0.545302,0.000000,105.786100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/1_21584.b3dm"}}}