{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950385,-0.311077,0.000000,0.000000,0.173988,-0.531559,0.828959,0.000000,-0.257326,0.786169,0.561891,0.000000,-1642998.828176,5019600.293037,3563595.520629,1],    "boundingVolume": {    "region": [1.887073,0.596621,1.887171,0.596720,0.000000,8.795234]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1394355.b3dm"}}}