{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950672,-0.310198,0.000000,0.000000,0.114201,-0.349995,0.929764,0.000000,-0.288147,0.883092,0.370297,0.000000,-1838685.209906,5635068.370364,2347071.914406,1],    "boundingVolume": {    "region": [1.886123,0.379289,1.886272,0.379368,0.000000,5.690978]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/18_4766.b3dm"}}}