{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949624,-0.313392,0.000000,0.000000,0.175021,-0.530338,0.829523,0.000000,-0.259419,0.786079,0.561054,0.000000,-1656357.981580,5019011.399588,3558272.556196,1],    "boundingVolume": {    "region": [1.889510,0.595617,1.889608,0.595699,0.000000,8.634128]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1366066.b3dm"}}}