{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944534,-0.328415,0.000000,0.000000,0.183613,-0.528080,0.829107,0.000000,-0.271717,0.781469,0.561672,0.000000,-1734881.175544,4989588.628891,3562205.031210,1],    "boundingVolume": {    "region": [1.905364,0.596368,1.905478,0.596443,0.000000,8.767540]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_131498.b3dm"}}}