{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.871415,-0.490546,0.000000,0.000000,0.211744,-0.376146,0.902041,0.000000,-0.441937,0.785064,0.434013,0.000000,-2820510.694509,5010404.395039,2751395.938478,1],    "boundingVolume": {    "region": [2.083457,0.448902,2.083569,0.448982,0.000000,69.793790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/0_220766.b3dm"}}}