{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950044,-0.312116,0.000000,0.000000,0.174051,-0.529791,0.830077,0.000000,-0.258537,0.786957,0.560230,0.000000,-1650721.903258,5024598.404018,3553038.097607,1],    "boundingVolume": {    "region": [1.888134,0.594598,1.888298,0.594729,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1459153.b3dm"}}}