{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950307,-0.311315,0.000000,0.000000,0.174045,-0.531281,0.829125,0.000000,-0.257576,0.786263,0.561645,0.000000,-1644589.578843,5020198.127182,3562029.808590,1],    "boundingVolume": {    "region": [1.887297,0.596280,1.887449,0.596465,0.000000,8.806967]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/2_1397532.b3dm"}}}