{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949826,-0.312779,0.000000,0.000000,0.174613,-0.530254,0.829663,0.000000,-0.258956,0.786380,0.560846,0.000000,-1653397.020001,5020929.020716,3556952.926307,1],    "boundingVolume": {    "region": [1.888831,0.595342,1.888995,0.595473,0.000000,8.355578]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1355496.b3dm"}}}