{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950213,-0.311601,0.000000,0.000000,0.174162,-0.531099,0.829217,0.000000,-0.257841,0.786274,0.561509,0.000000,-1646281.794966,5020261.485209,3561164.540802,1],    "boundingVolume": {    "region": [1.887605,0.596104,1.887743,0.596312,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432345.b3dm"}}}