{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942981,-0.332847,0.000000,0.000000,0.186520,-0.528425,0.828237,0.000000,-0.275093,0.779359,0.562960,0.000000,-1756444.679300,4976138.420491,3570387.547259,1],    "boundingVolume": {    "region": [1.910055,0.597923,1.910180,0.598002,0.000000,7.871036]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1249218.b3dm"}}}