{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898158,-0.439673,0.000000,0.000000,0.281118,-0.574265,0.768890,0.000000,-0.337129,0.688684,0.641918,0.000000,-2153229.430756,4398591.646713,4072450.438602,1],    "boundingVolume": {    "region": [2.025984,0.696968,2.026077,0.697025,0.000000,53.628367]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/5_751919.b3dm"}}}