{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949524,-0.313694,0.000000,0.000000,0.115246,-0.348838,0.930070,0.000000,-0.291492,0.882319,0.369521,0.000000,-1860025.671937,5630124.104618,2342150.297352,1],    "boundingVolume": {    "region": [1.889793,0.378369,1.889962,0.378619,0.000000,8.254517]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_9026.b3dm"}}}