{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897260,-0.441503,0.000000,0.000000,0.286072,-0.581379,0.761683,0.000000,-0.335335,0.681496,0.650472,0.000000,-2141849.034036,4352841.382555,4126875.952456,1],    "boundingVolume": {    "region": [2.027994,0.708092,2.028146,0.708320,0.000000,6.123504]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/2_1798813.b3dm"}}}