{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948846,-0.315738,0.000000,0.000000,0.176515,-0.530458,0.829130,0.000000,-0.261236,0.785060,0.561638,0.000000,-1667962.653901,5012512.775602,3561985.243592,1],    "boundingVolume": {    "region": [1.891962,0.596311,1.892099,0.596417,0.000000,8.794218]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112069.b3dm"}}}