{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899084,-0.437776,0.000000,0.000000,0.282757,-0.580713,0.763427,0.000000,-0.333271,0.684457,0.648421,0.000000,-2128647.803204,4371714.246163,4113824.069013,1],    "boundingVolume": {    "region": [2.023838,0.705449,2.024003,0.705568,0.000000,17.353750]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827881.b3dm"}}}