{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897652,-0.440706,0.000000,0.000000,0.283135,-0.576705,0.766320,0.000000,-0.336783,0.685976,0.644991,0.000000,-2151044.610069,4381356.467274,4092004.966811,1],    "boundingVolume": {    "region": [2.027118,0.700977,2.027244,0.701046,0.000000,10.264463]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_861658.b3dm"}}}