{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949341,-0.314247,0.000000,0.000000,0.175677,-0.530720,0.829140,0.000000,-0.260006,0.785479,0.561623,0.000000,-1660108.982440,5015187.898849,3561889.347762,1],    "boundingVolume": {    "region": [1.890411,0.596305,1.890510,0.596387,0.000000,8.777598]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1416337.b3dm"}}}