{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943829,-0.330434,0.000000,0.000000,0.184513,-0.527031,0.829574,0.000000,-0.273543,0.781331,0.560978,0.000000,-1746538.581705,4988690.979523,3557792.726113,1],    "boundingVolume": {    "region": [1.907512,0.595509,1.907608,0.595624,0.000000,8.819335]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/5_1274419.b3dm"}}}