{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948808,-0.315853,0.000000,0.000000,0.176364,-0.529789,0.829590,0.000000,-0.261478,0.785467,0.560955,0.000000,-1669501.937775,5015101.505666,3557646.827980,1],    "boundingVolume": {    "region": [1.892104,0.595428,1.892200,0.595651,0.000000,8.793842]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181548.b3dm"}}}