{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896324,-0.443399,0.000000,0.000000,0.283731,-0.573558,0.768458,0.000000,-0.339794,0.686888,0.642436,0.000000,-2170251.236218,4387133.362829,4075751.121335,1],    "boundingVolume": {    "region": [2.030117,0.697614,2.030250,0.697733,0.000000,46.053164]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/1_536721.b3dm"}}}