{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950223,-0.311571,0.000000,0.000000,0.115344,-0.351774,0.928952,0.000000,-0.289166,0.881894,0.372351,0.000000,-1845199.015149,5627453.963581,2360104.751850,1],    "boundingVolume": {    "region": [1.887579,0.381490,1.887705,0.381593,0.000000,6.392108]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/16/16_66710.b3dm"}}}