{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943180,-0.332282,0.000000,0.000000,0.186102,-0.528250,0.828443,0.000000,-0.274694,0.779719,0.562656,0.000000,-1753896.557587,4978430.759135,3568457.040751,1],    "boundingVolume": {    "region": [1.909455,0.597555,1.909580,0.597635,0.000000,6.792236]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_1255366.b3dm"}}}