{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949470,-0.313859,0.000000,0.000000,0.175435,-0.530717,0.829194,0.000000,-0.259702,0.785636,0.561543,0.000000,-1658163.058987,5016192.134074,3561385.008095,1],    "boundingVolume": {    "region": [1.890001,0.596209,1.890100,0.596291,0.000000,8.782828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1443943.b3dm"}}}