{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949973,-0.312333,0.000000,0.000000,0.174251,-0.529991,0.829907,0.000000,-0.258664,0.786735,0.560483,0.000000,-1651531.195924,5023187.347198,3554646.003220,1],    "boundingVolume": {    "region": [1.888363,0.594903,1.888527,0.595035,0.000000,8.806551]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/10_1456470.b3dm"}}}