{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950687,-0.310150,0.000000,0.000000,0.173295,-0.531192,0.829340,0.000000,-0.256679,0.786784,0.561327,0.000000,-1638861.728412,5023514.107255,3560007.834021,1],    "boundingVolume": {    "region": [1.886090,0.595931,1.886205,0.596045,0.000000,8.601584]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1342724.b3dm"}}}