{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899159,-0.437622,0.000000,0.000000,0.282546,-0.580532,0.763643,0.000000,-0.333249,0.684709,0.648166,0.000000,-2128500.426402,4373322.543180,4112201.504414,1],    "boundingVolume": {    "region": [2.023666,0.705114,2.023831,0.705233,0.000000,10.706649]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/4_1842881.b3dm"}}}