{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948817,-0.315828,0.000000,0.000000,0.176303,-0.529654,0.829689,0.000000,-0.261488,0.785569,0.560808,0.000000,-1669565.368479,5015748.427586,3556711.238691,1],    "boundingVolume": {    "region": [1.892077,0.595250,1.892173,0.595473,0.000000,8.749932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1072924.b3dm"}}}