{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949835,-0.312751,0.000000,0.000000,0.174553,-0.530124,0.829759,0.000000,-0.258963,0.786479,0.560703,0.000000,-1653445.419752,5021559.814944,3556045.950804,1],    "boundingVolume": {    "region": [1.888803,0.595169,1.888967,0.595301,0.000000,8.319864]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1356564.b3dm"}}}