{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893957,-0.448154,0.000000,0.000000,0.288810,-0.576106,0.764651,0.000000,-0.341723,0.681653,0.646974,0.000000,-2182614.047867,4353779.224152,4104617.849684,1],    "boundingVolume": {    "region": [2.035413,0.703528,2.035578,0.703690,0.000000,51.820974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/2_1870406.b3dm"}}}