{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950578,-0.310487,0.000000,0.000000,0.173519,-0.531240,0.829262,0.000000,-0.256933,0.786618,0.561442,0.000000,-1640485.000655,5022461.252179,3560740.694261,1],    "boundingVolume": {    "region": [1.886453,0.596078,1.886550,0.596177,0.000000,8.795990]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/1_1426880.b3dm"}}}