{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896346,-0.443355,0.000000,0.000000,0.287991,-0.582241,0.760301,0.000000,-0.336126,0.679556,0.652091,0.000000,-2146913.801494,4340484.761186,4137176.571218,1],    "boundingVolume": {    "region": [2.030045,0.710287,2.030225,0.710392,0.000000,9.032704]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/16_1783757.b3dm"}}}