{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949537,-0.313655,0.000000,0.000000,0.174973,-0.529701,0.829941,0.000000,-0.259769,0.786406,0.560433,0.000000,-1658585.819204,5021088.771093,3554328.413849,1],    "boundingVolume": {    "region": [1.889755,0.594776,1.889917,0.595041,0.000000,8.793531]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1372491.b3dm"}}}