{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898036,-0.439922,0.000000,0.000000,0.281251,-0.574131,0.768942,0.000000,-0.337343,0.688636,0.641856,0.000000,-2154595.437058,4398287.176021,4072059.419231,1],    "boundingVolume": {    "region": [2.026262,0.696888,2.026355,0.696945,0.000000,60.947207]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_751015.b3dm"}}}