{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897742,-0.440521,0.000000,0.000000,0.282854,-0.576430,0.766630,0.000000,-0.336779,0.686326,0.644621,0.000000,-2151018.696289,4383580.903967,4089651.434680,1],    "boundingVolume": {    "region": [2.026912,0.700493,2.027039,0.700562,0.000000,36.867357]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/6_856830.b3dm"}}}