{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858456,-0.512887,0.000000,0.000000,0.262424,-0.439238,0.859188,0.000000,-0.439888,0.736273,0.514199,0.000000,-2808154.032763,4700210.831199,3260563.025525,1],    "boundingVolume": {    "region": [2.109259,0.540011,2.109423,0.540136,0.000000,81.018233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/4_222024.b3dm"}}}