{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949647,-0.313321,0.000000,0.000000,0.175044,-0.530544,0.829387,0.000000,-0.259317,0.785968,0.561257,0.000000,-1655707.226440,5018303.905985,3559564.340796,1],    "boundingVolume": {    "region": [1.889435,0.595863,1.889533,0.595945,0.000000,9.863081]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/7_1361743.b3dm"}}}