{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949891,-0.312581,0.000000,0.000000,0.174462,-0.530167,0.829751,0.000000,-0.258819,0.786518,0.560716,0.000000,-1652525.710647,5021806.772471,3556124.196440,1],    "boundingVolume": {    "region": [1.888623,0.595184,1.888787,0.595315,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356448.b3dm"}}}