{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943157,-0.332349,0.000000,0.000000,0.186180,-0.528352,0.828361,0.000000,-0.274722,0.779621,0.562777,0.000000,-1754076.021543,4977811.291975,3569227.729984,1],    "boundingVolume": {    "region": [1.909526,0.597702,1.909651,0.597782,0.000000,8.719412]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1286637.b3dm"}}}