{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950178,-0.311709,0.000000,0.000000,0.174002,-0.530406,0.829694,0.000000,-0.258080,0.786701,0.560800,0.000000,-1647805.034327,5022976.196129,3556659.503811,1],    "boundingVolume": {    "region": [1.887747,0.595322,1.887828,0.595381,0.000000,8.780947]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9.b3dm"}}}