{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.895735,-0.444589,0.000000,0.000000,0.284149,-0.572488,0.769101,0.000000,-0.340993,0.687016,0.641664,0.000000,-2177905.488289,4387930.721688,4070839.972499,1],    "boundingVolume": {    "region": [2.031451,0.696607,2.031572,0.696725,0.000000,24.370976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_949264.b3dm"}}}