{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950491,-0.310751,0.000000,0.000000,0.173938,-0.532022,0.828673,0.000000,-0.256967,0.785983,0.562316,0.000000,-1640707.967708,5018419.231851,3566295.184094,1],    "boundingVolume": {    "region": [1.886730,0.597134,1.886828,0.597233,0.000000,8.662907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1325528.b3dm"}}}