{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.892663,-0.450725,0.000000,0.000000,0.290645,-0.575624,0.764318,0.000000,-0.343533,0.680368,0.647367,0.000000,-2194179.073325,4345580.924944,4107122.026052,1],    "boundingVolume": {    "region": [2.038322,0.704091,2.038426,0.704160,0.000000,7.189133]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/7_1966164.b3dm"}}}