{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949830,-0.312768,0.000000,0.000000,0.174606,-0.530253,0.829665,0.000000,-0.258947,0.786385,0.560843,0.000000,-1653343.846171,5020962.010033,3556931.221925,1],    "boundingVolume": {    "region": [1.888820,0.595338,1.888984,0.595469,0.000000,8.450267]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355506.b3dm"}}}