{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942785,-0.333401,0.000000,0.000000,0.186830,-0.528315,0.828238,0.000000,-0.275551,0.779198,0.562959,0.000000,-1759366.587953,4975109.404253,3570382.973015,1],    "boundingVolume": {    "region": [1.910642,0.597931,1.910767,0.597993,0.000000,8.734403]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/4/20_1285232.b3dm"}}}