{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.852848,-0.522158,0.000000,0.000000,0.269404,-0.440021,0.856623,0.000000,-0.446490,0.729258,0.518487,0.000000,-2850340.318675,4655499.516109,3287805.380073,1],    "boundingVolume": {    "region": [2.120087,0.544996,2.120265,0.545166,0.000000,161.644500]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/1/0/0_21366.b3dm"}}}