{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950393,-0.311052,0.000000,0.000000,0.173977,-0.531572,0.828953,0.000000,-0.257304,0.786169,0.561901,0.000000,-1642857.659126,5019602.993717,3563656.389082,1],    "boundingVolume": {    "region": [1.887048,0.596632,1.887145,0.596731,0.000000,8.795234]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1328090.b3dm"}}}