{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943928,-0.330151,0.000000,0.000000,0.184299,-0.526924,0.829690,0.000000,-0.273348,0.781523,0.560806,0.000000,-1745289.076375,4989913.408016,3556698.814895,1],    "boundingVolume": {    "region": [1.907213,0.595302,1.907308,0.595416,0.000000,8.770417]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/4_1310603.b3dm"}}}