{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949653,-0.313304,0.000000,0.000000,0.174850,-0.529987,0.829784,0.000000,-0.259429,0.786352,0.560667,0.000000,-1656415.055004,5020746.545736,3555813.823917,1],    "boundingVolume": {    "region": [1.889385,0.595058,1.889547,0.595324,0.000000,8.667473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356847.b3dm"}}}