{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949660,-0.313284,0.000000,0.000000,0.174847,-0.530016,0.829766,0.000000,-0.259406,0.786341,0.560693,0.000000,-1656273.021360,5020675.720988,3555978.871422,1],    "boundingVolume": {    "region": [1.889364,0.595089,1.889526,0.595355,0.000000,8.667473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356675.b3dm"}}}