{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948649,-0.316332,0.000000,0.000000,0.176629,-0.529693,0.829595,0.000000,-0.261876,0.785340,0.560948,0.000000,-1672042.177447,5014289.265913,3557599.076544,1],    "boundingVolume": {    "region": [1.892609,0.595419,1.892705,0.595642,0.000000,8.760612]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1188397.b3dm"}}}