{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949461,-0.313885,0.000000,0.000000,0.114843,-0.347385,0.930664,0.000000,-0.291857,0.882830,0.368009,0.000000,-1862348.867566,5633364.969924,2332556.327254,1],    "boundingVolume": {    "region": [1.889994,0.376742,1.890163,0.376992,0.000000,6.558608]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_22146.b3dm"}}}