{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.899156,-0.437629,0.000000,0.000000,0.282629,-0.580692,0.763490,0.000000,-0.333187,0.684569,0.648346,0.000000,-2128109.192035,4372428.794241,4113346.517840,1],    "boundingVolume": {    "region": [2.023674,0.705350,2.023839,0.705469,0.000000,13.450503]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/7_1827658.b3dm"}}}