{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950703,-0.310104,0.000000,0.000000,0.173338,-0.531414,0.829188,0.000000,-0.256593,0.786651,0.561551,0.000000,-1638313.535388,5022674.455032,3561434.979291,1],    "boundingVolume": {    "region": [1.886049,0.596210,1.886147,0.596309,0.000000,8.732795]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/2_1341766.b3dm"}}}