{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949687,-0.313200,0.000000,0.000000,0.174692,-0.529705,0.829997,0.000000,-0.259410,0.786585,0.560349,0.000000,-1656292.107587,5022227.727938,3553792.427806,1],    "boundingVolume": {    "region": [1.889276,0.594674,1.889438,0.594940,0.000000,8.813936]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/12_1376503.b3dm"}}}