{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949478,-0.313832,0.000000,0.000000,0.175425,-0.530736,0.829183,0.000000,-0.259676,0.785633,0.561559,0.000000,-1658001.903340,5016175.315271,3561483.064657,1],    "boundingVolume": {    "region": [1.889973,0.596228,1.890072,0.596309,0.000000,8.785490]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1444289.b3dm"}}}