{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949070,-0.315064,0.000000,0.000000,0.115765,-0.348720,0.930050,0.000000,-0.292758,0.881878,0.369573,0.000000,-1868105.889742,5627311.592759,2342476.313385,1],    "boundingVolume": {    "region": [1.891268,0.378514,1.891373,0.378584,0.000000,19.247429]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/16_9610.b3dm"}}}