{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949545,-0.313631,0.000000,0.000000,0.175316,-0.530784,0.829176,0.000000,-0.259508,0.785681,0.561570,0.000000,-1656926.053023,5016480.182251,3561553.868993,1],    "boundingVolume": {    "region": [1.889762,0.596241,1.889861,0.596323,0.000000,8.315556]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1444544.b3dm"}}}