{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896163,-0.443725,0.000000,0.000000,0.288197,-0.582054,0.760366,0.000000,-0.336435,0.679476,0.652015,0.000000,-2148888.969537,4339970.753813,4136693.582980,1],    "boundingVolume": {    "region": [2.030458,0.710187,2.030637,0.710292,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784925.b3dm"}}}