{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950661,-0.310233,0.000000,0.000000,0.173536,-0.531775,0.828915,0.000000,-0.256614,0.786355,0.561957,0.000000,-1638453.724434,5020788.795879,3564011.025037,1],    "boundingVolume": {    "region": [1.886152,0.596665,1.886317,0.596834,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1395068.b3dm"}}}