{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942363,-0.334593,0.000000,0.000000,0.187419,-0.527855,0.828398,0.000000,-0.276590,0.779001,0.562722,0.000000,-1765999.715883,4973846.537611,3568877.555490,1],    "boundingVolume": {    "region": [1.911907,0.597644,1.912032,0.597706,0.000000,8.499973]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1259871.b3dm"}}}