{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899082,-0.437781,0.000000,0.000000,0.282752,-0.580696,0.763442,0.000000,-0.333282,0.684469,0.648403,0.000000,-2128713.064562,4371791.269326,4113709.219854,1],    "boundingVolume": {    "region": [2.023843,0.705425,2.024008,0.705544,0.000000,13.689351]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1827798.b3dm"}}}