{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949612,-0.313429,0.000000,0.000000,0.175302,-0.531121,0.828963,0.000000,-0.259273,0.785533,0.561885,0.000000,-1655427.807156,5015540.965476,3563559.263764,1],    "boundingVolume": {    "region": [1.889547,0.596653,1.889648,0.596674,0.000000,12.546474]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/12_1414914.b3dm"}}}