{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949991,-0.312277,0.000000,0.000000,0.174146,-0.529777,0.830066,0.000000,-0.258667,0.786902,0.560246,0.000000,-1651548.479720,5024252.845993,3553141.938079,1],    "boundingVolume": {    "region": [1.888303,0.594618,1.888467,0.594749,0.000000,10.765259]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/8_1461211.b3dm"}}}