{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949592,-0.313488,0.000000,0.000000,0.175259,-0.530879,0.829127,0.000000,-0.259374,0.785674,0.561642,0.000000,-1656071.783950,5016435.876748,3562010.491928,1],    "boundingVolume": {    "region": [1.889611,0.596328,1.889710,0.596410,0.000000,9.744479]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/13_1338155.b3dm"}}}