{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949001,-0.315272,0.000000,0.000000,0.175954,-0.529641,0.829771,0.000000,-0.261054,0.785801,0.560685,0.000000,-1666794.298336,5017226.520261,3555931.360316,1],    "boundingVolume": {    "region": [1.891492,0.595118,1.891587,0.595308,0.000000,8.681852]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1073536.b3dm"}}}