{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949332,-0.314275,0.000000,0.000000,0.175757,-0.530912,0.829000,0.000000,-0.259984,0.785338,0.561830,0.000000,-1659971.403381,5014291.244806,3563206.731592,1],    "boundingVolume": {    "region": [1.890438,0.596585,1.890539,0.596607,0.000000,8.700919]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/9_1418986.b3dm"}}}