{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950122,-0.311880,0.000000,0.000000,0.115270,-0.351162,0.929192,0.000000,-0.289529,0.882031,0.371744,0.000000,-1847509.143920,5628320.755469,2356253.342610,1],    "boundingVolume": {    "region": [1.887904,0.380836,1.888030,0.380939,0.000000,6.109883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/9_70768.b3dm"}}}