{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898126,-0.439738,0.000000,0.000000,0.281205,-0.574336,0.768806,0.000000,-0.337142,0.688583,0.642019,0.000000,-2153311.339305,4397950.137025,4073095.565254,1],    "boundingVolume": {    "region": [2.026057,0.697100,2.026150,0.697157,0.000000,50.512590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/7_752981.b3dm"}}}