{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899158,-0.437625,0.000000,0.000000,0.282547,-0.580530,0.763644,0.000000,-0.333252,0.684709,0.648165,0.000000,-2128518.987936,4373321.002914,4112193.588223,1],    "boundingVolume": {    "region": [2.023669,0.705112,2.023834,0.705231,0.000000,10.706649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1842869.b3dm"}}}