{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.891149,-0.453710,0.000000,0.000000,0.292045,-0.573617,0.765293,0.000000,-0.346252,0.680087,0.646213,0.000000,-2211538.910922,4343765.194344,4099774.711177,1],    "boundingVolume": {    "region": [2.041673,0.702568,2.041768,0.702654,0.000000,8.331244]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_2045441.b3dm"}}}