{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948856,-0.315710,0.000000,0.000000,0.176503,-0.530474,0.829122,0.000000,-0.261210,0.785060,0.561649,0.000000,-1667797.986166,5012516.753608,3562056.271016,1],    "boundingVolume": {    "region": [1.891932,0.596324,1.892069,0.596431,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1112290.b3dm"}}}