{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950386,-0.311072,0.000000,0.000000,0.173921,-0.531364,0.829098,0.000000,-0.257366,0.786304,0.561685,0.000000,-1643248.814403,5020456.216379,3562283.120009,1],    "boundingVolume": {    "region": [1.887041,0.596328,1.887193,0.596513,0.000000,8.786573]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/0/2_1331129.b3dm"}}}