{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897615,-0.440780,0.000000,0.000000,0.283007,-0.576323,0.766654,0.000000,-0.336988,0.686250,0.644593,0.000000,-2152349.577730,4383097.892017,4089470.135435,1],    "boundingVolume": {    "region": [2.027200,0.700456,2.027327,0.700525,0.000000,25.771910]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/5_856130.b3dm"}}}