{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898457,-0.439062,0.000000,0.000000,0.283944,-0.581037,0.762739,0.000000,-0.333947,0.683359,0.649231,0.000000,-2132969.571440,4364716.493964,4118978.047695,1],    "boundingVolume": {    "region": [2.025300,0.706535,2.025401,0.706610,0.000000,9.085525]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1819137.b3dm"}}}