{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950531,-0.310631,0.000000,0.000000,0.173877,-0.532065,0.828658,0.000000,-0.256863,0.786001,0.562338,0.000000,-1640043.934192,5018537.238403,3566433.623072,1],    "boundingVolume": {    "region": [1.886604,0.597161,1.886702,0.597260,0.000000,14.349765]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1384760.b3dm"}}}