{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949563,-0.313578,0.000000,0.000000,0.174970,-0.529837,0.829854,0.000000,-0.259678,0.786345,0.560562,0.000000,-1658003.613619,5020696.964806,3555147.898491,1],    "boundingVolume": {    "region": [1.889674,0.594931,1.889836,0.595197,0.000000,8.805125]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1370368.b3dm"}}}