{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897035,-0.441959,0.000000,0.000000,0.287245,-0.583015,0.759989,0.000000,-0.334929,0.679798,0.652455,0.000000,-2139270.531085,4342037.651673,4139490.112347,1],    "boundingVolume": {    "region": [2.028488,0.710767,2.028667,0.710872,0.000000,8.674350]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/3/20_1780807.b3dm"}}}