{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948709,-0.316150,0.000000,0.000000,0.176497,-0.529635,0.829660,0.000000,-0.261746,0.785452,0.560851,0.000000,-1671209.470218,5015004.961961,3556985.609748,1],    "boundingVolume": {    "region": [1.892417,0.595302,1.892512,0.595525,0.000000,8.794362]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1072431.b3dm"}}}