{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949332,-0.314274,0.000000,0.000000,0.175746,-0.530877,0.829025,0.000000,-0.259992,0.785361,0.561793,0.000000,-1660018.157294,5014442.119990,3562974.188913,1],    "boundingVolume": {    "region": [1.890437,0.596541,1.890539,0.596563,0.000000,8.523431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/7_1417668.b3dm"}}}