{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948869,-0.315669,0.000000,0.000000,0.176495,-0.530527,0.829090,0.000000,-0.261166,0.785041,0.561697,0.000000,-1667517.142667,5012392.513396,3562360.519072,1],    "boundingVolume": {    "region": [1.891889,0.596382,1.892026,0.596489,0.000000,8.818306]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1113510.b3dm"}}}