{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897929,-0.440141,0.000000,0.000000,0.282515,-0.576356,0.766811,0.000000,-0.336568,0.686631,0.644406,0.000000,-2149669.171685,4385528.243733,4088282.251637,1],    "boundingVolume": {    "region": [2.026488,0.700212,2.026615,0.700281,0.000000,9.679882]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_883953.b3dm"}}}