{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897930,-0.440137,0.000000,0.000000,0.281353,-0.573992,0.769009,0.000000,-0.337538,0.688616,0.641776,0.000000,-2155837.463955,4398155.093221,4071548.128227,1],    "boundingVolume": {    "region": [2.026501,0.696783,2.026594,0.696840,0.000000,34.289309]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/1_392416.b3dm"}}}