{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950082,-0.312000,0.000000,0.000000,0.174384,-0.531022,0.829220,0.000000,-0.258172,0.786168,0.561504,0.000000,-1648397.732487,5019587.513865,3561135.983354,1],    "boundingVolume": {    "region": [1.888025,0.596098,1.888163,0.596307,0.000000,8.804839]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1432274.b3dm"}}}