{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.857976,-0.513689,0.000000,0.000000,0.262833,-0.438990,0.859189,0.000000,-0.440577,0.735862,0.514197,0.000000,-2812550.641221,4697590.897731,3260549.252243,1],    "boundingVolume": {    "region": [2.110193,0.540008,2.110358,0.540133,0.000000,23.589700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_351074.b3dm"}}}