{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949583,-0.313515,0.000000,0.000000,0.175078,-0.530283,0.829547,0.000000,-0.259528,0.786068,0.561019,0.000000,-1657054.020870,5018937.909334,3558053.612765,1],    "boundingVolume": {    "region": [1.889639,0.595576,1.889738,0.595657,0.000000,8.572580]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4_1366493.b3dm"}}}