{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949319,-0.314315,0.000000,0.000000,0.175727,-0.530746,0.829113,0.000000,-0.260053,0.785435,0.561662,0.000000,-1660409.813089,5014907.647320,3562142.000402,1],    "boundingVolume": {    "region": [1.890481,0.596353,1.890580,0.596435,0.000000,8.665553]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1417444.b3dm"}}}