{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948649,-0.316331,0.000000,0.000000,0.176477,-0.529238,0.829918,0.000000,-0.261978,0.785649,0.560467,0.000000,-1672692.674612,5016252.447672,3554544.986609,1],    "boundingVolume": {    "region": [1.892608,0.594838,1.892704,0.595061,0.000000,8.656546]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1076040.b3dm"}}}