{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949968,-0.312347,0.000000,0.000000,0.174713,-0.531370,0.828928,0.000000,-0.258367,0.785794,0.561938,0.000000,-1649643.406708,5017208.917102,3563891.466193,1],    "boundingVolume": {    "region": [1.888390,0.596622,1.888528,0.596831,0.000000,8.760017]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/7/4_1407528.b3dm"}}}