{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895646,-0.444768,0.000000,0.000000,0.284268,-0.572441,0.769092,0.000000,-0.341126,0.686939,0.641675,0.000000,-2178755.291416,4387444.256720,4070909.099594,1],    "boundingVolume": {    "region": [2.031650,0.696622,2.031772,0.696739,0.000000,62.689333]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/2_687506.b3dm"}}}