{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950803,-0.309797,0.000000,0.000000,0.114097,-0.350177,0.929709,0.000000,-0.287757,0.883160,0.370438,0.000000,-1836196.694649,5635504.049273,2347967.817504,1],    "boundingVolume": {    "region": [1.885701,0.379442,1.885850,0.379520,0.000000,4.790034]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/13/20_3870.b3dm"}}}