{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948862,-0.315691,0.000000,0.000000,0.176407,-0.530222,0.829304,0.000000,-0.261253,0.785239,0.561380,0.000000,-1668064.822211,5013652.285666,3560344.349596,1],    "boundingVolume": {    "region": [1.891912,0.595999,1.892050,0.596105,0.000000,8.751617]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1148966.b3dm"}}}