{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949567,-0.313563,0.000000,0.000000,0.174960,-0.529835,0.829858,0.000000,-0.259667,0.786352,0.560556,0.000000,-1657933.381882,5020746.713474,3555110.645376,1],    "boundingVolume": {    "region": [1.889658,0.594924,1.889820,0.595190,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1370488.b3dm"}}}