{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898119,-0.439754,0.000000,0.000000,0.284355,-0.580745,0.762808,0.000000,-0.334503,0.683163,0.649150,0.000000,-2136523.105151,4363469.206692,4118461.316213,1],    "boundingVolume": {    "region": [2.026054,0.706355,2.026187,0.706577,0.000000,15.181416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821843.b3dm"}}}