{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949467,-0.313866,0.000000,0.000000,0.175440,-0.530720,0.829191,0.000000,-0.259706,0.785631,0.561548,0.000000,-1658193.984633,5016161.959689,3561412.921238,1],    "boundingVolume": {    "region": [1.890009,0.596214,1.890107,0.596296,0.000000,8.264707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1358470.b3dm"}}}