{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949540,-0.313645,0.000000,0.000000,0.175320,-0.530771,0.829183,0.000000,-0.259521,0.785685,0.561559,0.000000,-1657012.049948,5016503.449663,3561481.574044,1],    "boundingVolume": {    "region": [1.889776,0.596227,1.889875,0.596309,0.000000,8.315556]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1444308.b3dm"}}}