{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894948,-0.446170,0.000000,0.000000,0.284466,-0.570596,0.770389,0.000000,-0.342783,0.687571,0.640114,0.000000,-2189322.469148,4391448.413870,4060977.086791,1],    "boundingVolume": {    "region": [2.033210,0.694584,2.033344,0.694709,0.000000,85.091955]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_980964.b3dm"}}}