{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311613,0.000000,0.000000,0.114717,-0.349809,0.929771,0.000000,-0.289464,0.882668,0.370281,0.000000,-1847086.632089,5632362.207971,2346971.563024,1],    "boundingVolume": {    "region": [1.887612,0.379272,1.887761,0.379351,0.000000,5.748410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/26/18_4937.b3dm"}}}