{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942568,-0.334015,0.000000,0.000000,0.187174,-0.528192,0.828238,0.000000,-0.276058,0.779018,0.562958,0.000000,-1762608.729300,4973964.791968,3570378.673428,1],    "boundingVolume": {    "region": [1.911294,0.597930,1.911419,0.597992,0.000000,8.791711]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/9/20_1250321.b3dm"}}}