{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950176,-0.311714,0.000000,0.000000,0.174434,-0.531716,0.828764,0.000000,-0.257792,0.785810,0.562180,0.000000,-1645976.483200,5017312.735987,3565430.053988,1],    "boundingVolume": {    "region": [1.887717,0.596927,1.887869,0.597112,0.000000,8.757294]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1332035.b3dm"}}}