{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950243,-0.311510,0.000000,0.000000,0.174008,-0.530801,0.829441,0.000000,-0.257836,0.786512,0.561176,0.000000,-1646248.932841,5021779.379238,3559053.195558,1],    "boundingVolume": {    "region": [1.887529,0.595748,1.887628,0.595865,0.000000,8.818828]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1429146.b3dm"}}}