{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949010,-0.315245,0.000000,0.000000,0.175925,-0.529601,0.829803,0.000000,-0.261042,0.785839,0.560638,0.000000,-1666719.061497,5017467.902534,3555628.071251,1],    "boundingVolume": {    "region": [1.891464,0.595060,1.891559,0.595251,0.000000,8.772595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/19/29_1074336.b3dm"}}}