{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948721,-0.316113,0.000000,0.000000,0.176486,-0.529670,0.829640,0.000000,-0.261709,0.785443,0.560881,0.000000,-1670977.091144,5014947.113373,3557175.061380,1],    "boundingVolume": {    "region": [1.892378,0.595338,1.892474,0.595561,0.000000,8.765963]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1071952.b3dm"}}}