{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858268,-0.513201,0.000000,0.000000,0.262537,-0.439062,0.859243,0.000000,-0.440186,0.736160,0.514106,0.000000,-2810054.859477,4699486.925314,3259972.766359,1],    "boundingVolume": {    "region": [2.109624,0.539902,2.109789,0.540028,0.000000,78.074233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/3_334821.b3dm"}}}