{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950812,-0.309768,0.000000,0.000000,0.173156,-0.531491,0.829177,0.000000,-0.256312,0.786731,0.561568,0.000000,-1636520.733251,5023183.518261,3561540.564984,1],    "boundingVolume": {    "region": [1.885673,0.596170,1.885819,0.596389,0.000000,8.813563]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1423635.b3dm"}}}