{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898352,-0.439276,0.000000,0.000000,0.284074,-0.580952,0.762756,0.000000,-0.334117,0.683293,0.649212,0.000000,-2134056.446052,4364300.691935,4118856.482975,1],    "boundingVolume": {    "region": [2.025539,0.706510,2.025640,0.706585,0.000000,43.122198]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/6_1818932.b3dm"}}}