{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949586,-0.313507,0.000000,0.000000,0.175281,-0.530911,0.829102,0.000000,-0.259382,0.785644,0.561680,0.000000,-1656122.556254,5016245.957457,3562252.706785,1],    "boundingVolume": {    "region": [1.889631,0.596374,1.889730,0.596456,0.000000,7.653400]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/14_1337883.b3dm"}}}