{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950086,-0.311989,0.000000,0.000000,0.174320,-0.530850,0.829344,0.000000,-0.258201,0.786290,0.561321,0.000000,-1648583.399384,5020359.885050,3559968.931819,1],    "boundingVolume": {    "region": [1.888013,0.595876,1.888151,0.596085,0.000000,8.570503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/1_1350929.b3dm"}}}