{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893969,-0.448128,0.000000,0.000000,0.288809,-0.576144,0.764623,0.000000,-0.341691,0.681637,0.647007,0.000000,-2182410.241919,4353680.993865,4104828.981187,1],    "boundingVolume": {    "region": [2.035384,0.703571,2.035550,0.703734,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1869982.b3dm"}}}