{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943346,-0.331810,0.000000,0.000000,0.185876,-0.528451,0.828365,0.000000,-0.274279,0.779782,0.562771,0.000000,-1751244.805254,4978838.418467,3569185.648818,1],    "boundingVolume": {    "region": [1.908956,0.597694,1.909081,0.597774,0.000000,7.030146]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/9_1255018.b3dm"}}}