{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943137,-0.332403,0.000000,0.000000,0.186260,-0.528481,0.828260,0.000000,-0.274733,0.779510,0.562926,0.000000,-1754149.457598,4977104.092693,3570171.377227,1],    "boundingVolume": {    "region": [1.909584,0.597882,1.909709,0.597961,0.000000,8.311707]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1249292.b3dm"}}}