{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898077,-0.439838,0.000000,0.000000,0.284328,-0.580550,0.762968,0.000000,-0.334638,0.683276,0.648962,0.000000,-2137384.217987,4364182.365900,4117266.738533,1],    "boundingVolume": {    "region": [2.026149,0.706108,2.026281,0.706331,0.000000,26.925476]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1821051.b3dm"}}}