{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949230,-0.314584,0.000000,0.000000,0.175859,-0.530639,0.829154,0.000000,-0.260289,0.785399,0.561603,0.000000,-1661912.273188,5014680.509731,3561763.641334,1],    "boundingVolume": {    "region": [1.890746,0.596269,1.890883,0.596375,0.000000,5.929243]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/12_1415802.b3dm"}}}