{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950719,-0.310053,0.000000,0.000000,0.173392,-0.531675,0.829009,0.000000,-0.256495,0.786494,0.561817,0.000000,-1637689.888333,5021673.092080,3563122.115464,1],    "boundingVolume": {    "region": [1.885962,0.596496,1.886127,0.596665,0.000000,8.809550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1329614.b3dm"}}}