{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949097,-0.314984,0.000000,0.000000,0.176008,-0.530340,0.829313,0.000000,-0.260671,0.785442,0.561366,0.000000,-1664349.068351,5014948.129029,3560258.828553,1],    "boundingVolume": {    "region": [1.891167,0.595983,1.891305,0.596089,0.000000,11.857457]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1373483.b3dm"}}}