{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950337,-0.311224,0.000000,0.000000,0.173889,-0.530978,0.829352,0.000000,-0.257571,0.786505,0.561308,0.000000,-1644558.184658,5021738.138614,3559887.323504,1],    "boundingVolume": {    "region": [1.887227,0.595907,1.887327,0.596024,0.000000,8.820581]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/14_1430232.b3dm"}}}