{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950310,-0.311305,0.000000,0.000000,0.173829,-0.530642,0.829580,0.000000,-0.257709,0.786701,0.560970,0.000000,-1645439.519181,5022980.216030,3557741.528249,1],    "boundingVolume": {    "region": [1.887312,0.595499,1.887412,0.595616,0.000000,8.752765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1455855.b3dm"}}}