{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949489,-0.313802,0.000000,0.000000,0.175235,-0.530218,0.829555,0.000000,-0.259769,0.785998,0.561006,0.000000,-1658587.934543,5018489.956322,3557971.310439,1],    "boundingVolume": {    "region": [1.889910,0.595468,1.890072,0.595734,0.000000,8.818167]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/15_1366705.b3dm"}}}