{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893967,-0.448134,0.000000,0.000000,0.288765,-0.576046,0.764713,0.000000,-0.341735,0.681716,0.646900,0.000000,-2182694.857381,4354182.718550,4104149.997571,1],    "boundingVolume": {    "region": [2.035390,0.703431,2.035556,0.703594,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1991662.b3dm"}}}