{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948822,-0.315813,0.000000,0.000000,0.176335,-0.529778,0.829603,0.000000,-0.261449,0.785491,0.560936,0.000000,-1669313.650436,5015251.891032,3557524.009818,1],    "boundingVolume": {    "region": [1.892062,0.595404,1.892157,0.595627,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1181407.b3dm"}}}