{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949146,-0.314836,0.000000,0.000000,0.175918,-0.530347,0.829328,0.000000,-0.260553,0.785497,0.561344,0.000000,-1663598.381172,5015299.203590,3560116.101791,1],    "boundingVolume": {    "region": [1.891012,0.595955,1.891149,0.596062,0.000000,12.034030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/9_1445022.b3dm"}}}