{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896160,-0.443732,0.000000,0.000000,0.288201,-0.582049,0.760368,0.000000,-0.336441,0.679475,0.652013,0.000000,-2148926.520463,4339965.848664,4136679.318520,1],    "boundingVolume": {    "region": [2.030465,0.710184,2.030645,0.710289,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784954.b3dm"}}}