{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949879,-0.312618,0.000000,0.000000,0.174475,-0.530136,0.829767,0.000000,-0.258856,0.786524,0.560691,0.000000,-1652756.444091,5021842.278642,3555967.877040,1],    "boundingVolume": {    "region": [1.888662,0.595155,1.888826,0.595286,0.000000,8.808103]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356698.b3dm"}}}