{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943221,-0.332166,0.000000,0.000000,0.186273,-0.528943,0.827962,0.000000,-0.274437,0.779296,0.563367,0.000000,-1752262.408331,4975744.731404,3572972.863766,1],    "boundingVolume": {    "region": [1.909323,0.598406,1.909467,0.598504,0.000000,8.729967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_568707.b3dm"}}}