{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948616,-0.316429,0.000000,0.000000,0.115954,-0.347616,0.930439,0.000000,-0.294151,0.881830,0.368581,0.000000,-1876988.788162,5626989.173917,2336183.852890,1],    "boundingVolume": {    "region": [1.892707,0.377443,1.892811,0.377521,0.000000,7.435347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/8/7_17490.b3dm"}}}