{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897623,-0.440763,0.000000,0.000000,0.282997,-0.576328,0.766654,0.000000,-0.336975,0.686256,0.644593,0.000000,-2152269.367953,4383137.746091,4089469.637785,1],    "boundingVolume": {    "region": [2.027182,0.700456,2.027309,0.700525,0.000000,25.771910]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/5_856116.b3dm"}}}