{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944541,-0.328393,0.000000,0.000000,0.183603,-0.528089,0.829103,0.000000,-0.271698,0.781472,0.561678,0.000000,-1734757.525751,4989605.941541,3562240.758667,1],    "boundingVolume": {    "region": [1.905340,0.596375,1.905455,0.596450,0.000000,8.767540]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/6_189508.b3dm"}}}