{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950558,-0.310546,0.000000,0.000000,0.173408,-0.530789,0.829574,0.000000,-0.257079,0.786901,0.560978,0.000000,-1641416.181802,5024259.013551,3557793.980998,1],    "boundingVolume": {    "region": [1.886506,0.595510,1.886621,0.595624,0.000000,8.571231]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1451726.b3dm"}}}