{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951024,-0.309117,0.000000,0.000000,0.172746,-0.531466,0.829278,0.000000,-0.255805,0.787003,0.561418,0.000000,-1633281.343659,5024917.636528,3560587.662449,1],    "boundingVolume": {    "region": [1.884988,0.595988,1.885134,0.596208,0.000000,8.810932]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1422929.b3dm"}}}