{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949766,-0.312960,0.000000,0.000000,0.174968,-0.530991,0.829117,0.000000,-0.258933,0.785808,0.561657,0.000000,-1653259.224337,5017294.321717,3562107.295173,1],    "boundingVolume": {    "region": [1.889027,0.596303,1.889180,0.596471,0.000000,9.258883]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_1335788.b3dm"}}}