{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944566,-0.328323,0.000000,0.000000,0.182982,-0.526430,0.830294,0.000000,-0.272034,0.782625,0.559906,0.000000,-1736891.980346,4996938.571115,3550980.333979,1],    "boundingVolume": {    "region": [1.905242,0.594138,1.905406,0.594407,0.000000,9.742684]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/4_661868.b3dm"}}}