{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950057,-0.312077,0.000000,0.000000,0.174024,-0.529783,0.830088,0.000000,-0.258508,0.786978,0.560214,0.000000,-1650534.995836,5024732.912555,3552935.399063,1],    "boundingVolume": {    "region": [1.888093,0.594578,1.888256,0.594710,0.000000,16.856485]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1458947.b3dm"}}}