{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897722,-0.440563,0.000000,0.000000,0.282898,-0.576453,0.766596,0.000000,-0.336796,0.686279,0.644662,0.000000,-2151127.189950,4383285.411895,4089909.341745,1],    "boundingVolume": {    "region": [2.026959,0.700546,2.027085,0.700615,0.000000,50.720461]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_857878.b3dm"}}}