{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898137,-0.439715,0.000000,0.000000,0.281183,-0.574329,0.768818,0.000000,-0.337130,0.688603,0.642004,0.000000,-2153235.300170,4398075.926474,4073000.579093,1],    "boundingVolume": {    "region": [2.026031,0.697081,2.026124,0.697138,0.000000,37.047937]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/7_752905.b3dm"}}}