{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950810,-0.309775,0.000000,0.000000,0.173156,-0.531477,0.829186,0.000000,-0.256320,0.786738,0.561555,0.000000,-1636570.755445,5023226.460101,3561457.572618,1],    "boundingVolume": {    "region": [1.885679,0.596154,1.885825,0.596373,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338903.b3dm"}}}