{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948878,-0.315644,0.000000,0.000000,0.176375,-0.530211,0.829318,0.000000,-0.261218,0.785265,0.561359,0.000000,-1667846.036008,5013817.223974,3560215.444485,1],    "boundingVolume": {    "region": [1.891863,0.595974,1.892000,0.596081,0.000000,8.808038]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/9_1068623.b3dm"}}}