{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944361,-0.328911,0.000000,0.000000,0.183900,-0.528010,0.829087,0.000000,-0.272121,0.781308,0.561701,0.000000,-1737464.040934,4988559.621121,3562386.135756,1],    "boundingVolume": {    "region": [1.905889,0.596403,1.906004,0.596478,0.000000,8.700920]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_131203.b3dm"}}}