{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897628,-0.440753,0.000000,0.000000,0.283167,-0.576692,0.766318,0.000000,-0.336818,0.685957,0.644993,0.000000,-2151270.694625,4381232.062307,4092019.218531,1],    "boundingVolume": {    "region": [2.027170,0.700980,2.027297,0.701049,0.000000,10.326657]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861698.b3dm"}}}