{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894760,-0.446546,0.000000,0.000000,0.284494,-0.570050,0.770783,0.000000,-0.343250,0.687781,0.639638,0.000000,-2192296.830003,4392780.074728,4057951.493323,1],    "boundingVolume": {    "region": [2.033631,0.693965,2.033765,0.694090,0.000000,50.769754]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1167197.b3dm"}}}