{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950803,-0.309795,0.000000,0.000000,0.173165,-0.531468,0.829190,0.000000,-0.256338,0.786736,0.561549,0.000000,-1636688.823917,5023215.102785,3561419.590100,1],    "boundingVolume": {    "region": [1.885701,0.596147,1.885847,0.596366,0.000000,8.812346]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/14_1338926.b3dm"}}}