{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950010,-0.312218,0.000000,0.000000,0.174537,-0.531077,0.829152,0.000000,-0.258331,0.786044,0.561605,0.000000,-1649414.711123,5018797.048350,3561774.840682,1],    "boundingVolume": {    "region": [1.888238,0.596221,1.888409,0.596427,0.000000,8.752219]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1336534.b3dm"}}}