{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949728,-0.313077,0.000000,0.000000,0.174981,-0.530810,0.829230,0.000000,-0.259066,0.785885,0.561489,0.000000,-1654105.914523,5017777.894148,3561040.103190,1],    "boundingVolume": {    "region": [1.889151,0.596100,1.889304,0.596268,0.000000,19.004798]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_1436312.b3dm"}}}