{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949402,-0.314064,0.000000,0.000000,0.175232,-0.529719,0.829874,0.000000,-0.260087,0.786231,0.560532,0.000000,-1660617.263502,5019969.711614,3554956.280465,1],    "boundingVolume": {    "region": [1.890186,0.594895,1.890348,0.595161,0.000000,8.770793]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1371232.b3dm"}}}