{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949495,-0.313783,0.000000,0.000000,0.175033,-0.529643,0.829965,0.000000,-0.259882,0.786395,0.560397,0.000000,-1659309.997693,5021013.966999,3554097.631084,1],    "boundingVolume": {    "region": [1.889889,0.594732,1.890051,0.594998,0.000000,8.706950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/12_1378952.b3dm"}}}