{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857982,-0.513679,0.000000,0.000000,0.262792,-0.438934,0.859231,0.000000,-0.440590,0.735904,0.514127,0.000000,-2812631.724729,4697852.572263,3260105.256020,1],    "boundingVolume": {    "region": [2.110182,0.539927,2.110346,0.540052,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_339185.b3dm"}}}