{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943818,-0.330466,0.000000,0.000000,0.183725,-0.524722,0.831211,0.000000,-0.274115,0.782877,0.558537,0.000000,-1750171.550569,4998521.522980,3542280.086394,1],    "boundingVolume": {    "region": [1.907539,0.592531,1.907649,0.592712,0.000000,6.669820]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1246400.b3dm"}}}