{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896432,-0.443182,0.000000,0.000000,0.283570,-0.573581,0.768501,0.000000,-0.339647,0.687009,0.642385,0.000000,-2169311.436882,4387901.501286,4075426.713940,1],    "boundingVolume": {    "region": [2.029857,0.697532,2.030026,0.697681,0.000000,43.785105]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/3/1_522931.b3dm"}}}