{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948623,-0.316410,0.000000,0.000000,0.176475,-0.529087,0.830014,0.000000,-0.262074,0.785719,0.560324,0.000000,-1673303.019212,5016696.453080,3553637.103101,1],    "boundingVolume": {    "region": [1.892691,0.594666,1.892787,0.594889,0.000000,8.819805]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1216471.b3dm"}}}