{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949919,-0.312496,0.000000,0.000000,0.174478,-0.530374,0.829615,0.000000,-0.258707,0.786411,0.560918,0.000000,-1651807.487797,5021125.774249,3557410.588555,1],    "boundingVolume": {    "region": [1.888534,0.595429,1.888698,0.595560,0.000000,8.763044]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/14_1355028.b3dm"}}}