{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948615,-0.316431,0.000000,0.000000,0.115964,-0.347644,0.930428,0.000000,-0.294149,0.881818,0.368610,0.000000,-1876978.386095,5626914.404022,2336371.032667,1],    "boundingVolume": {    "region": [1.892709,0.377474,1.892813,0.377553,0.000000,15.638730]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/8_17507.b3dm"}}}