{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950529,-0.310634,0.000000,0.000000,0.173264,-0.530182,0.829992,0.000000,-0.257283,0.787277,0.560357,0.000000,-1642715.406666,5026647.782962,3553844.563036,1],    "boundingVolume": {    "region": [1.886565,0.594744,1.886748,0.594890,0.000000,8.229633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1375400.b3dm"}}}