{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897998,-0.439999,0.000000,0.000000,0.284419,-0.580474,0.762991,0.000000,-0.334771,0.683237,0.648934,0.000000,-2138231.928462,4363934.104867,4117090.905093,1],    "boundingVolume": {    "region": [2.026328,0.706072,2.026460,0.706294,0.000000,11.388064]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1820649.b3dm"}}}