{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948875,-0.315652,0.000000,0.000000,0.176325,-0.530048,0.829432,0.000000,-0.261261,0.785372,0.561189,0.000000,-1668119.134546,5014501.121637,3559131.443444,1],    "boundingVolume": {    "region": [1.891871,0.595768,1.892009,0.595875,0.000000,8.587410]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/7_1069483.b3dm"}}}