{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950341,-0.311211,0.000000,0.000000,0.173875,-0.530959,0.829367,0.000000,-0.257565,0.786523,0.561286,0.000000,-1644522.505274,5021850.460650,3559746.305360,1],    "boundingVolume": {    "region": [1.887214,0.595880,1.887314,0.595997,0.000000,8.808885]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1429952.b3dm"}}}