{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948851,-0.315725,0.000000,0.000000,0.176369,-0.530044,0.829426,0.000000,-0.261320,0.785346,0.561198,0.000000,-1668492.565591,5014334.329108,3559190.991698,1],    "boundingVolume": {    "region": [1.891948,0.595779,1.892086,0.595886,0.000000,8.044616]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/7_1069438.b3dm"}}}