{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949098,-0.314980,0.000000,0.000000,0.176066,-0.530524,0.829184,0.000000,-0.260626,0.785319,0.561558,0.000000,-1664064.155175,5014169.923345,3561479.658186,1],    "boundingVolume": {    "region": [1.891163,0.596215,1.891300,0.596321,0.000000,8.768397]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1447179.b3dm"}}}