{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948895,-0.315593,0.000000,0.000000,0.176457,-0.530555,0.829080,0.000000,-0.261100,0.785052,0.561712,0.000000,-1667095.091454,5012464.714454,3562455.819178,1],    "boundingVolume": {    "region": [1.891809,0.596400,1.891946,0.596507,0.000000,8.756069]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1113951.b3dm"}}}