{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951029,-0.309100,0.000000,0.000000,0.172734,-0.531464,0.829282,0.000000,-0.255792,0.787012,0.561412,0.000000,-1633199.279866,5024972.764259,3560547.773658,1],    "boundingVolume": {    "region": [1.884970,0.595981,1.885116,0.596200,0.000000,8.801998]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1339385.b3dm"}}}