{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950328,-0.311249,0.000000,0.000000,0.174206,-0.531899,0.828695,0.000000,-0.257386,0.785869,0.562283,0.000000,-1643382.733870,5017694.461300,3566084.849740,1],    "boundingVolume": {    "region": [1.887255,0.597094,1.887352,0.597193,0.000000,8.791994]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/12_1385532.b3dm"}}}